Alyson Hannigan and her two daughters show their support at star-studded Time for Heroes charity event to end pediatric AIDS

Alyson Hannigan showed her philanthropic side as she attended the 26th Annual Elizabeth Glaser Pediatric AIDS Foundation (EGPAF) A Time For Heroes Family Festival.

The 41-year-old brought along her two daughters, six-year-old Satyana and three-year-old Keeva to show support for those less fortunate children.

Hannigan made an appearance at the annual event which was held at the Smashbox Studios in Los Angeles on Sunday.

Charitable cause: Alyson Hannigan attended the Elizabeth Glaser Pediatric AIDS Foundation (EGPAF) A Time For Heroes Family Festival with her two daughters Satyana and Keeva in Los Angeles on Sunday

Charitable cause: Alyson Hannigan attended the Elizabeth Glaser Pediatric AIDS Foundation (EGPAF) A Time For Heroes Family Festival with her two daughters Satyana and Keeva in Los Angeles on Sunday

Other celebrities including Melissa Joan Hart - who was hosting through her King Of Harts clothing line, Jaime Pressly, Tori Spelling, Dean McDermott, Danica McKellar and Modern Family's Ariel Winter and Nolan Gould were at the star-studded event.

The American Pie actress wore loose-fitting blue denim jeans with cuffed ankles which she paired with a burgundy patterned Boho sleeveless top.

The red-headed beauty wore barely there makeup which highlighted her flawless complexion.

The American Pie actress wore loose-fitting blue denim jeans with cuffed ankles which she paired with a burgundy patterned boho sleeveless top

The American Pie actress wore loose-fitting blue denim jeans with cuffed ankles which she paired with a burgundy patterned boho sleeveless top

She accessorized her look with minimal jewelry in a simple gold chain and bracelet which she finished off with dark green ankle boots.

Hannigan's youngsters seemed to enjoy the festivities as they were all smiles and covered in face paintings.

The Buffy the Vampire slayer actress married her co-star Alexis Denisof in 2003 and the couple share the two adorable girls.

Cute co-stars: The How I Met Your Mother starlet met up with her co-star, Eva Amurri Martino as the ladies took time for a photo with the tots

Cute co-stars: The How I Met Your Mother starlet met up with her co-star, Eva Amurri Martino as the ladies took time for a photo with the tots

The How I Met Your Mother starlet met up with her co-star, Eva Amurri Martino as the ladies took time for a photo with the tots.

The King of Harts star, Melissa Joan Hart is one of the advocates for the nonprofit organization and Hannigan was spotted holding a blue baseball cap adorned with the show's logo.

The Elizabeth Glaser Pediatric AIDS Foundation 'seeks to end pediatric HIV/AIDS through research, advocacy, and prevention and treatment programs,' according to the EGPAF site.

Specifically, the A Time for Heroes event raises critical funds towards the goal of an AIDS-free generation.

Showing support: The King of Harts star, Melissa Joan Hart is one of the advocates for the nonprofit organization and Hannigan was spotted holding a blue baseball cap adorned with the show's logo

Showing support: The King of Harts star, Melissa Joan Hart is one of the advocates for the nonprofit organization and Hannigan was spotted holding a blue baseball cap adorned with the show's logo

Mommy and me: Hannigan and her three-year-old Keeva made an appearance for the benefit event and Keeva was later spotted in several girly face paintings

Mommy and me: Hannigan and her three-year-old Keeva made an appearance for the benefit event and Keeva was later spotted in several girly face paintings

Sppoktacular! Alyson decorated her Brentwood home with an array of Halloween arrangements 

Sppoktacular! Alyson decorated her Brentwood home with an array of Halloween arrangements 

'Tis the season! There was a massive pumpkin tent on the lawn 

'Tis the season! There was a massive pumpkin tent on the lawn 

Friendly: The actress' house appeared to be more playful for Halloween, instead of being too scary

Friendly: The actress' house appeared to be more playful for Halloween, instead of being too scary

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