Kaley Cuoco, Ryan Sweeting, Kate Beckinsale, and other celebrities flocked to Joel Silver's annual star-filled Memorial Day party in Malibu, CA, on Monday. Newlyweds Kaley and Ryan couldn't keep their hands off each other and had a serious snuggle session on the sand. Meanwhile, Kate, Gwen Stefani, and January Jones kept a close eye on their little ones, with January even playing around with a group of kids with a squirt gun. We'd never see Betty Draper do that! Keep scrolling to see more stars at Joel's bash, and check out how other stars celebrated Memorial Day (hint: BBQ, shirtlessness, and babies were involved).