Moms-to-be Drew Barrymore and Ciara linked up for a good cause on Saturday, bringing on the family fun at Safe Kids Day in LA. The ladies were all smiles as they pretended to turn on a giant toy oven, which reminds adults what it feels like to barely be tall enough to reach for the kitchen counter. At one point, Drew took a seat outside and read a book to the kid and parent-filled audience, which included Malin Akerman and Mark-Paul Gosselaar. It's just the latest glimpse Drew and Ciara have given us of their baby bumps lately. At CinemaCon in Las Vegas, Drew beamed after reuniting with Adam Sandler to promote their new movie, Blended , and late last month, Ciara glowed as she made "#mommymemories" with Kim Kardashian at her baby shower. Keep reading to see the best photos from Safe Kids Day, and then check out our gallery of all the expecting stars! Malin Akerman struck a pose on the grass carpet. googletag.cmd.push(function() {googletag.display("gallery_interstiti...