Drew Barrymore and her daughter Olive pose with pal Jessica Alba at the Baby2Baby holiday party on Dec. 13 in Los Angeles. Credit: Stefanie Keenan/Getty Images for Baby2Baby

Besties with babies! Never Been Kissed costars Drew Barrymore and Jessica Alba turned a charity event into a family affair on Saturday, Dec. 13, bringing their husbands and children to the Baby2Baby Holiday Party, which was sponsored by Alba's eco-friendly organization The Honest Company. 

Barrymore, 39, carried her 7-month-old baby daughter Frankie around with her as 2-year-old Olive did crafts with some of the other little ones in attendance. 

"@baby2baby with @jessicaalba I love her. Since Never Been Kissed. And we love The Honest Company. #bestdays #baby2babyrules," Barrymore captioned a photo with her pal on Instagram. 

Barrymore's husband Will Kopelman also watched the kids at the party, which took place in Los Angeles. 

Other celebs in attendance were Busy Philipps, who brought her daughter Cricket, 17 months. 

Host Alba, 33, made the rounds, posing with the various guests, but also took the time to take a family picture in front of the Christmas tree with her husband Cash Warren and daughters Honor, 6, and Haven, 3. 

"We had a #merry time celebrating the holidays with @baby2baby @honest #honestholiday #baby2baby #honestholidayparty!" Alba captioned a picture from the event on Instagram.