Kim Kardashian West, Kanye West, Jimmy Fallon, Dennis Rodman and George Clooney are joined by dozens of other celebrities as they come out in force to back the March For Our Lives as 800 protests take place across the globe

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Celebrities are throwing their weight behind the The March For Our Lives movement, organized by the student survivors of the tragic high school shooting at Marjory Stoneman Douglas High School in Parkland, Florida.

Even Kim Kardashian West and Taylor Swift got political, along with the likes of Paul McCartney, George Clooney, Miley Cyrus, Dennis Rodman and Jimmy Fallon, to name a few, as more than 800 demonstrations kicked off across the country on Saturday.

The marches are being held to show unity in calling for stricter gun control, after yet another school shooting took the life of a 16-year-old girl in Maryland on Thursday. 

Celebrities, including Kim Kardashian West and Kany West, are throwing their weight behind the The March For Our Lives movement, organized by the student survivors of the tragic high school shooting at Marjory Stoneman Douglas High School in Parkland, Florida; Kim and Kanye are seen here in Washington, DC on Saturday

Kim Kardashian West tweeted that she arrived in Washington, DC with Kanye West and 4-year-old daughter, North, on Saturday at 10.16 am Eastern

Kim Kardashian West and Kanye West were spotted in the crowd in Washington, DC on Saturday.

Kim tweeted that she arrived in Washington, DC with Kanye West and 4-year-old daughter, North, on Saturday at 10.16 am Eastern:

'So ready to March today! Landed in DC w North & Kanye. We stand in solidarity with the survivors of gun violence & students who are calling for action on common sense gun safety laws at #MarchForOurLives around the country @AMarch4OurLives @Everytown.'

Jimmy Fallon and Dennis Rodman are seen here, indoors for the march kicked off in DC 

Even Taylor Swift, who is notoriously apolitical, shared a photo of the March For Our Lives logo

Ariana Grande performs 'Be Alright' during the March For Our Lives rally in support of gun control on Saturday in Washington, DC

Grande wore an over-sized sweatshirt with thigh-high boots as she sang at the demonstration

Kim Kardashian West posed for a selfie with a young attended at the march in Washington

She snapped another selfie with a child wearing a white coat and a March For Our Lives sticker

Even Taylor Swift, who is notoriously apolitical, shared a photo of the March For Our Lives logo to Instagram.

She captioned it like this: 

'No one should have to go to school in fear of gun violence. Or to a nightclub. Or to a concert. Or to a movie theater. Or to their place of worship.'

She added; 'I’ve made a donation to show my support for the students, for the March For Our Lives campaign, for everyone affected by these tragedies, and to support gun reform. I’m so moved by the Parkland High School students, faculty, by all families and friends of victims who have spoken out, trying to prevent this from happening again.'

Ariana Grande was one of many celebrities that took the stage around the country. 

She performed 'Be Alright' during the rally in Washington, DC.

In Los Angeles, Kendall Jenner marched alongside fellow model Hailey Baldwin.

Baldwin wore a March For Our Lives hooded sweatshirt, and Jenner carried a sign that showcased the logo for the demonstration.

Kris Jenner, the mom-ager and patriarch of the Kardashian-Jenner family shared her support for the cause on Twitter.

She wrote: 'Today marks a moment in history, and the beginning of an incredible journey to protect our children’s futures. I am so proud of the Parkland students for leading this change. There is nothing more important than the safety of our children. You make us proud! Stay safe today everyone!' 

In Los Angeles, Kendall Jenner marched alongside fellow model Hailey Baldwin

Baldwin wore a March For Our Lives hooded sweatshirt, and Jenner carried a sign that showcased the logo for the demonstration

Sex and the City star Cynthia Nixon, who announced her candidacy for governor of New York on March 19, joined marchers in New York City

Matthew McConaughey speaks during the march in Austin, Texas, next to his daughter (left)

He told the crowd: 'This is an American issue, this is a Texan issue, it's a legal and law-abiding gun owner issue, it's a mother issue, it's a father issue....this is our children's issue'

Singer and songwriter Paul Simon plays 'The Sound of Silence' alongside a student protester during the March for Our Lives rally in Stamford, Connecticut

He also spoke to the crowd of protesters, including nurse Stephanie Palermo (left)

Kris Jenner, the mom-ager and patriarch of the Kardashian-Jenner family shared her support for the cause on Twitter

She wrote: 'There is nothing more important than the safety of our children. You make us proud! Stay safe today everyone!'

She tweeted: 'Ran in to a group of fellow @BarnardCollege alumni today at the NY #MarchForOurLives. Incredibly moved at how many people came out today to stake a stand for our kids and demand action against gun violence'

Sex and the City star Cynthia Nixon, who announced her candidacy for governor of New York on March 19, joined marchers in New York City.

She tweeted: 'Ran in to a group of fellow @BarnardCollege alumni today at the NY #MarchForOurLives. Incredibly moved at how many people came out today to stake a stand for our kids and demand action against gun violence.'

She was spotted at a subway station with marchers carrying signs that read, 'arms r 4 hugging,' 'armed with knowledge not guns,' and #enough.' 

Kristen Schaal from HBO's Flight of the Conchords carried a sign that said, 'Let's be more like Australia.' 

Canadian actor Cobie Smulders from How I Met Your Mother shared a photo in a March For Our Lives tee shirt, with a heartfelt caption

She wrote: 'I am amazed and inspired by the students of Parkland and the students around this country who refused to be terrorized by gun violence. It is a beautiful thing seeing all these voices being raised.' 

Kristen Schaal from HBO's Flight of the Conchords carried a sign that said, 'Let's be more like Australia'

Canadian actor Cobie Smulders from How I Met Your Mother shared a photo in a March For Our Lives tee shirt, with a heartfelt caption

Nixon was spotted at a subway station with marchers carrying signs that read, 'arms r 4 hugging,' 'armed with knowledge not guns,' and #ENOUGH'

Kaia Gerber, the daughter of Cindy Crawford and Rande Gerber, posted a photo before heading out to the March For Our Lives in Los Angeles, facing away from the camera with her friend, Charlotte Lawrence, who is the daughter of actor Christa Miller

Kaia Gerber, the daughter of Cindy Crawford and Rande Gerber, posted a photo before heading out to the March For Our Lives in Los Angeles.

She was facing away from the camera with her friend, Charlotte Lawrence, who is the daughter of Christa Miller. Miller is most well known for her roles including Kate O'Brien on The Drew Carey Show and Jordan Sullivan on Scrubs.

Gerber and Lawyer held a sign that read, 'One child is worth more than all the guns on the earth,' with the Los Angeles march's Instagram page tagged, and a caption that read, 'here we go.'

George and Amal Clooney attended the primary demonstration in Washington, DC, and were pictured alongside news personality Katie Couric, and her husband, financier John Molner. 

Left to right: John Molner, Katie Couric, George Clooney and Amal Clooney attend March For Our Lives on Saturday in Washington, DC

Amal an George are seen here, outside in Washington, DC ahead of the march

Clooney posed with Teen Mya, a school shooting survivor who spoke in Washington, DC

Lady Gaga shared support over social media, making her presence known at a march

Gaga shared a photo of protesters holding signs, with one that read, 'protect kids not guns'

Lady Gaga shared her support over social media, as well, making her presence known at one of the marches. 

She shared a photo of protesters holding signs, with one that read, 'protect kids not guns,' and also posted a video clip of her holding a sign that read, 'disarm hate.'

Debra Messing tweeted that school shooting survivors were the true leaders that we have needed on the issue of gun control.

She wrote: 'I stand with the brave, indomitable kids who galvanized a nation, a world, &did not take inaction as an answer. You have put the "adults" in DC to shame. CS gun laws with finally be enacted, &you will be the Heroes of a generation. TODAY you lead us all. #MarchForOurLives'

Gaga posted a video clip of her holding a sign that read, 'disarm hate,' with a group behind her

Debra Messing tweeted that school shooting survivors were the true leaders that we have needed on the issue of gun control

Natalie Morales carried a sign that said 'Everytown for gun safety'

Dennis Rodman posed with Miley Cyrus at the sight of the Washington, DC flagship march

Former Beatle Sir Paul McCartney was seen marching in New York City, carrying a sign showing the March For Our Lives logo, alongside his wife, Nancy Shevell

Protesters gather for the March for Our Lives rally along Pennsylvania Avenue in Washington, DC on Saturday

Miley Cyrus also shared her support, using song lyrics from her hit song, The Climb, to express how she's feeling ahead of partaking in the march

Selena Gomez, notably part of the cross-over country singer's girl gang, shared the same image on Saturday, writing: 'Protect kids, not guns! #MarchForOurLives.' 

Miley Cyrus also shared her support, using song lyrics from her hit song, The Climb, to express how she's feeling ahead of partaking in the march.

'These lyrics mean more to me now than ever. I won’t ever give up & neither will the millions that march with us today! #EndGunViolence,' she wrote, adding a photo of the following lyrics:

'I can almost see it, That dream I'm dreaming but here's a voice inside my head saying, "You'll never reach it," Every step I'm taking, Every move I make feels lost with no direction. My faith is shaking but I gotta keep trying, gotta keep my head held high.

Former President Bill Clinton expressed his support for the cause and called others to join in their efforts to get Congress to reform gun control legislation

Cyrus also shared a photo, including her sister Noah Cyrus, with her marching group outfitted in hooded sweatshirts featuring the March For Our Lives logo

Former President Barack Obama and former first lady Michelle Obama shared a message offline to Parkland school shooting survivors, dated March 10, first obtained my .Mic News

Former Secretary of State and Democratic presidential candidate Hillary Clinton shared her sentiment publicly, on Twitter on Saturday.

She also shared a photo, including her sister Noah Cyrus, with her marching group outfitted in hooded sweatshirts featuring the March For Our Lives logo and the hashtag,  'MSDStrong,' standing for 'Marjory Stoneman Douglas Strong.'

Reese Witherspoon shared her support on Instagram, writing 'I'm so proud of these students who are using their voices to speak truth to power.' She shared a March For Our Lives logo with the phrase, 'We will march as if our lives depend on it, because they do.' 

Former President Barack Obama and former first lady Michelle Obama shared a message offline to Parkland school shooting survivors, dated March 10, which was first obtained my Mic News.

'We wanted to let you know how inspired we have been by the resilience, resolve and solidarity that you have all shown in the wake of unspeakable tragedy,' the two wrote. 

Former Secretary of State and Democratic presidential candidate Hillary Clinton shared her sentiment publicly, on Twitter on Saturday.

She wrote: 'Listening to the students from Parkland and across the country today is a reminder of what is possible when our future is in the right hands, and when we match inspiration with determination.'

Former President Bill Clinton also expressed his support for the cause and called others to join in their efforts to get Congress to reform gun control legislation. He tweeted on Friday:

'America owes its gratitude to the students of Stoneman Douglas and their peers across the country who have joined their cause. We also owe them our support. Join #MarchForOurLives tomorrow to stop mass school shootings and give our kids their futures back.'

Jimmy Fallon, who had pledged he would be joining the march with his wife and two children back in February, took his support a step further on Saturday

Reese Witherspoon shared her support on Instagram, writing 'I'm so proud of these students'

Clooney posed with Dennis Rodman, who was also there in Washington, DC

Will Smith shared a photo of a March For Our Lives tee shirt, calling it his 'wardrobe for today'

Jimmy Fallon was very active on social media, also sharing this photo to his Instagram page

Jimmy Fallon, who had pledged he would be joining the march with his wife and two children back in February, took his support a step further on Saturday.

'I’m partnering with @MTV and @NAACP to sponsor a bus full of smart young young people traveling from NYC to #MarchForOurLives Washington, DC today. Thank you for standing up and saying you’ve had #ENOUGH. See you there.'

Supermodel Adriana Lima got in on the support, posting a photo with the hashtag '#NeverAgain.'

'Changes need to be made for the safety of everyone,' she said. 

Mindy Kaling shared an image of the cover of Time Magazine featuring Parkland shooting survivors.

She wrote: 'It’s happening! So proud of these young people behind #MarchForOurLives. Let’s join them!' 

Will Smith shared a photo of a March For Our Lives tee shirt, calling it his 'wardrobe for today.' 

He wrote: 'I am honored to support these students from all around the world who are coming together to, as Gandhi said "Be The Change"!'

Supermodel Adriana Lima got in on the support, posting a photo with the hashtag 'NeverAgain'

Smith implored more to join him in marching, writing: 'Add YOUR voice and join them on the streets today to show that ENOUGH IS ENOUGH. To find the march closest to you, visit MarchForOurLives.com.'

George Clooney was also seen posing with Teen Mya, a school shooting survivor who spoke at the Washington, DC march. Dennis Rodman was also in the nation's capital for the march, along with Ben Platt and Lin-Manuel Miranda.

Off social media, Clooney shared a letter to Parkland shooting survivors, that was published by The Guardian on Friday. 

Ben Platt and Lin-Manuel Miranda shared their supporter together, in a tweet

Charlize Theron wrote, 'These mommas demand action' in a photo shared in Washington, DC

The Cyrus sisters were ecstatic to be showing their support for March For Our Lives, sharing a photo together with the caption by Miley that read, 'Millenials taking over!'

Cyrus wore hoodie that read, '#MSDStrong,' standing for 'Marjory Stoneman Douglas Strong'

Laura Dern of Big Little Lies shared her view of one of the marches

The Guardian has let students who work on the Eagle Eye, which is the school newspaper at Marjory Stoneman Douglas High School, take over their website for the weekend. Clooney address his letter to the Eagle Eye's three c-editors-in-chief, Emma Dowd, Lauren Newman and Rebecca Schneid. He wrote, on behalf of himself and his wife, Amal Clooney:

'Amal and I are 100 percent behind you and will be marching in DC on the 24th, but we both feel very strongly that this is your march. Your moment. Young people are taking it to the adults and that has been your most effective tool. The fact that no adults will speak on the stage in DC is a powerful message to the world that if we can’t do something about gun violence then you will. The issue is going to be this, anyone you ask would feel proud to be interviewed by you but it’s so much more effective if it’s young people.

'You could talk to a dozen kids like the young kids from Chicago and LA that Emma met with. You could take over the Guardian and make it tell the stories of children by children. It’s a once in a lifetime opportunity to point to this moment and say it belongs to you. You certainly should do what you want but that would be my hope for you.

'Amal and I stand behind you, in support of you, in gratitude to you. You make me proud of my country again. Thank you.'

Rose McGowan, who has been an outspoken feature of the MeToo movement, also showed her support for the March For Our Lives marches.

She shared an video of herself, with half of her face out of frame, wearing a hoodie with the movement's logo. 

She wrote with the clip: 'Young warriors, we hear your song! #marchforourlives #msd.'

Rose McGowan shared an video of herself, with half of her face out of frame, wearing a hoodie with the movement's logo, writing, 'Young warriors, we hear your song!'

Madonna shared this photo on Instagram, writing: 'It is our Responsibility, our Duty and our Right to Stand Together, with every Student, every Family, Every Human!!'

Former Beatle Sir Paul McCartney and his wife, Nancy Shevell, join the rally during a March For Our Lives demonstration demanding gun control in New York City on Saturday

Madonna shared a photo on Instagram of bold letters, stating, 'Not one more.'

She captioned the image: 'It is our Responsibility, our Duty and our Right to Stand Together, with every Student, every Family, Every Human!! Every Heart! And Demand an End to Gun Violence!'

Other celebrities simply showed up to march, without making a separate verbal or written statement, like former Beatle Sir Paul McCartney and Steven Spielberg.

McCartney was seen marching in New York City, carrying a sign showing the March For Our Lives logo, alongside his wife, Nancy Shevell.

The two of them also wore tee shirts that read, 'We can end gun violence.'  

McCartney was seen marching in New York, wearing a tee that read, 'We can end gun violence'

Steven Spielberg posed with speaker Teen Mya, a school shooting survivor in Washington, DC

Original Star Trek actor George Takei thanked all of those marching, across the country.

Parks and Recreation actor Nick Offerman marched in Los Angeles in a tee by Chris Ables Art

Original Star Trek actor George Takei thanked all of those marching, across the country. 

'You are truly making a difference and saving lives,' he wrote. 'The kids who are leading this movement inspire me every day.'

Amy Poehler's Instagram account her group called 'Amy Poehler's Smart Girls' shared a selfie she took along with a message of support from her for the march. 

the caption read: 'We stand with you, young people. I applaud your bravery and your incredible poise, and the fire that you have started will not go out. It will only get stronger, and we will help fan the flames.'

It was signed to signify it came directly from Amy Poehler, herself.

Parks and Recreation actor Nick Offerman marched in Los Angeles, wearing a tee shirt by Chris Ables Art. 

Author and producer Padma Lakshmi took her politics to the bank, calling attention to the money behind our nation's current gun control policies.

She tweeted: 'It’s not about the second amendment, it’s about children’s lives vs money in the NRA’s pocket.'

She carried a yellow sign, that said, 'Because love is a verb and I love my child and yours.'

Author and producer Padma Lakshmi took her politics to the bank, calling attention to the money behind our nation's current gun control policies

Julia Louis-Drefyus shared a photo of her mother on Instagram, holding up a sign that read, 'Protect our children from guns!' and shared a way to learn how to register to vote

Julia Louis-Drefyus shared a photo of her mother on Instagram, holding up a sign that read, 'Protect our children from guns!' 

The exclamation point at the end of the sentence was highlighted with a heart where the period would normally be.

The Seinfeld star wrote: 'This is how my loving mom is celebrating her 84th birthday today. #MarchForOurLives #NotOneMore. If our elected officials don’t act to prevent gun violence, we will #throwthemout. Make sure you’re registered to vote and ready to show up at the polls in November: Text FIGHT to 788-683.'

Jaime King shared an image of herself with a sign turning the term 'pro-life' on its head, and using it to call for for people to march for our lives, kids and babies. 

Mia Farrow shared the view of the New York City march from high above in NYC. 

Jaime King shared an image of herself with a sign turning the term 'pro-life' on its head, and using it to call for for people to march for our lives, kids and babies

Amy Poehler's Instagram account her group called 'Amy Poehler's Smart Girls' shared a selfie she took along with a message of support from her for the march

Mia Farrow shared the view of the New York City march from high above in NYC

Before the marches kicked off, Parkland school shooting survivors took to the microphone to share more about their message, seeking common sense gun reforms.

The speakers included David Hogg, Sarah Chadwick, Jaclyn Corin, Ryan Deitsch, Aalayah Eastmond, Sam Fuentes, Emma Gonzalez, Cameron Kasky, Delaney Tarr and Alex Wind. 

The other speakers from around the country includedTrevon Bosley, 19, from Chicago, Edna Chavez , 17, from Los Angeles, Zion Kelly, 17, from Washington DC, Alex King, 18, from Chicago, D'Angelo McDade, 18, from Chicago, Mya Middleton, 16, from Chicago, Matt Post, 18, from Maryland, Matthew Soto, 19, from Connecticut and Christopher Underwood, 11, from Brooklyn, New York.  

It was the Parkland school shooting massacre that happened on Valentine's Day in Florida that has ignited the current nationwide debate on gun control. 

Nikolas Cruz, 19, admitted to killing 17 people and injuring 15 others on February 14 with an AR-15 that he had obtained legally.

The March For Our Lives demonstrations seek to call attention to the need for common sense gun reform that prevents tragic like this from happening.

Cruz remains in custody in Florida, charged with 17 counts of premeditated murder. 

PICTURED: Fourteen students, geography teacher, coach and athletic director shot dead in Florida high school massacre

Jaime Guttenberg, 14, (left) was described by relatives as a 'kind-hearted, sweet' girl. She attended the school with her younger brother who survived and rushed home afterwards. Senior Nicholas Dworet (right) was a gifted swimmer who had his sights set on 2020 Tokyo Olympics success. His devastated college student girlfriend is among those grieving his death. Friends said he was not just a talented athlete, but a 'good guy' who will be missed

Martin Duque, 14, (left) was missing for hours on Wednesday and his frantic family desperately appealed for him to get in touch on social media. On Thursday, his older brother Miguel confirmed his death. Martin was a freshman. Meadow Pollack, 18, (right) was preparing for college. Her father was at the school on Wednesday and showed her photograph around in the hope that she would be found alive

Cara Loughran (left) was missing on Wednesday afternoon. Her mother Denise and her father rushed to the designated hotel where parents were told to go to be reunited with their children in the hope that she would be found alive. Her grieving neighbor confirmed her death on Thursday. Alyssa Alhadeff, 15, (right) was eulogized by her mother who said she was a talented soccer player and creative mind. 'All she had to offer the world was love... I just sent her to school and she was shot and killed,' she said

Luke Hoyer, 15, (left) was described as a 'precious' child by his grandparents who confirmed his death. They found out about the shooting on television. They said he was a 'good kid' who 'never got in trouble'. Joaquin Oliver, 17, (right) was also killed. Joaquin was a Venezuelan immigrant who came to the US with his family for a 'better future', they said on Thursday

Gina Montalto, 15, (left) was described as a 'light and joy'. She and Jaime, another victim, volunteered at a local project called The Friendship Initiative where they acted as buddies for children with special needs. Gina's mother Jennifer shared pleas to find her on social media on Wednesday. Alaina Petty, 14, (right) was also killed. Her Mormon church confirmed her death, saying she was a 'valiant' member

Carmen Schentrup, 16, (left) was also killed in the shooting. Carmen was a gifted student who last year was named as a semifinalist in the 2018 National Merit Scholarship Program. It includes students who score above average in their SATs or National Merit Scholarship Qualifying Test. ROTC student Peter Wang, 15, (right) also died. His parents speak little English and relied on their neighbor to post social media appeals looking for him. They went to the Marriott hotel with other parents to wait for news of him on Wednesday night and have since confirmed that he was among those killed

Alex Schachter, 14, (left) was also killed.  His mother died when he was a child and he attended the school in Florida with his brother, who survived. The teenager's father Max said he was a 'sweetheart of a child' who 'just wanted to do well and please his parents'. Helena Ramsey, 17, (right) was described by relatives as a 'reserved' and studious girl who was due to go to college next year

Geography Scott Beigel, 35, (left) was shot dead as he tried to lock the door of his classroom again after letting a group of fleeing students in to hide. They were running away from the gunman. Aaron Feis, 37, (right) died acting as a human shield. The track coach had thrown himself on top of the kids to stop the bullets from hitting him. He was a former student and was also a security guard at the school where he had worked for eight years

Athletic director Chris Hixon, 49, was also killed shielding students