Jennifer Garner and Shailene Woodley headline STXfilms sneak peeks at CinemaCon in Las Vegas

Jennifer Garner and Shailene Woodley co-headlined STXfilms' Tuesday evening showcase at CinemaCon at Caesars Palace in Las Vegas, Nevada, promoting their respective projects with the company with sneak peeks.

Garner, 46, wore a shoulderless red dress a ruffled high/low hem that showcased her toned shoulders and arms, with strapped black sandals.

Garner wore her wavy brown locks parted in the middle, with a light later of blush on her flawless face.

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Beauty: Jennifer Garner, 46, posed at STXfilms' Tuesday evening showcase at CinemaCon at Caesars Palace in Las Vegas, Nevada
Charming: The actress was on hand to promote her movie Adrift

Dazzling duo: Jennifer Garner, 46, and Shailene Woodley, 26, co-headlined STXfilms' Tuesday evening showcase at CinemaCon at Caesars Palace in Las Vegas, Nevada 

The Golden Globe-winning star accessorized with diamond rings and bracelets as she hyped her upcoming thriller Peppermint, in which she plays a mother who seeks revenge on the people who murdered her husband and daughter in a shooting.

The Alias star, according to Comicbook, told attendees that the storyline twist of the film caught her interest, as 'to just do action for the sake of action has never interested' her.

'There is no bigger stake than your children,' said Garner, who has three kids with ex Ben Affleck: Violet, 12, Seraphina, nine and son Sam, six. 'There's no bigger reason to get out and get into really good shape and then kill people!'

The movie, which also stars Tyson Ritter, Method Man and Annie Ilonzeh, is set to hit theaters September 7, Variety reported.

Confident: The Golden Globe-winning star soaked in applause from the stage 

Confident: The Golden Globe-winning star soaked in applause from the stage 

Jennifer flaunted her perfect figure in the red dress
The brunette looked gorgeous while posing for photographers

Gorgeous: The star looked flawless on the red carpet as she posed up a storm

Rock a red dress like Jennifer in Roland Mouret

Jennifer Garner was a vision in red at the STXfilms showcase in Las Vegas last night.

It’s safe to say you can always count on red to make an impact and Jennifer’s dress by Roland Mouret did just that!

Featuring a V-neckline, contrast straps and flowing asymmetric skirt, this design is feminine and sophisticated – quite frankly, we can’t fault it!

If you're keen to copy and have $2165 to spend, click (right) to buy it now.

Or get the look on a budget with the help of our edit below. We’ve rallied up affordable alternatives from the likes of Victoria Beckham and Asos that are bound to create an entrance at your next event.

Whichever you choose, be sure to team yours with black barely-there sandals and delicate jewellery for a nod to Jennifer’s look!

* PRICES MAY NOT BE AS ADVERTISED
Joyous: Garner looked to be in amazing shape following her role in Peppermint

Joyous: Garner looked to be in amazing shape following her role in Peppermint

Woodley was on hand to promote her film Adrift, an action-adventure in which she stars opposite Sam Claflin in the story of a couple braving a hurricane.

The Divergent beauty, 26, wore a cantaloupe orange dress with a high neckline, with sheer square-shaped panels lining the top front, and a billowing layer under the waistline. The surging starlet rounded out her ensemble with red sandals, and wore her jet black locks in bags, with earrings.

'Upon reading about the story, it's a survival story that's really about true love and that's about human will, in the face of any situation, any time you're put in an extreme experience, what happens to your psychology,' The Fault in Our Stars actress told the crowd about her forthcoming film, according to Comicbook.

Lovely: Shailene Woodley shined in a cantaloupe orange dress with a high neckline

Lovely: The Divergent beauty shined in a cantaloupe orange dress with a high neckline

Q&A: The upstart actress opened up about the six-week shoot at sea on Tuesday

Q&A: The upstart actress opened up about the six-week shoot at sea on Tuesday

Cute: Woodley and her Adrift co-star Sam Claflin posed on the red carpet at the promotional event in Las Vegas 

Cute: Woodley and her Adrift co-star Sam Claflin posed on the red carpet at the promotional event in Las Vegas 

The Big Little Lies star noted the rigorous six-week shoot at sea, which was led by director Baltasar Kormákur.

'It's not every day you get to work with a filmmaker who is willing to shoot this thing on the ocean,' she said of the movie, which is slated to hit theaters June 1.

Mark Wahlberg, Lauren Cohan and MMA sensation Ronda Rousey also attended to promote their late summer action thriller Mile 22, chatting about what drew them to the film, which is directed by Peter Berg. 

Mile 22 hit theaters August 3. 

Jaw-dropper: Ronda Rousey looked amazing in a sleeveless black skirt on the red carpet
Versatile: The talented athlete made her professional wrestling debut for WWE earlier this month

Jaw-dropper: Ronda Rousey looked amazing in a sleeveless black skirt on the red carpet 

You got the touch: Veteran actor Mark Wahlberg wore a casual ensemble and Air Jordan sneakers

You got the touch: Veteran actor Mark Wahlberg wore a casual ensemble and Air Jordan sneakers

Eye-catching: Actress Lauren Cohan matched in red as she appeared at the event 

Eye-catching: Actress Lauren Cohan matched in red as she appeared at the event 

Superstars: Wahlberg and Rousey posed for a shot at the Las Vegas CinemaCon event 

Superstars: Wahlberg and Rousey posed for a shot at the Las Vegas CinemaCon event 

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Jennifer Garner and Shailene Woodley headline STXfilms sneak peeks

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