Kate Beckinsale may be one of the biggest stars in Hollywood, but she's also a proud mom. The gorgeous actress is constantly posting photos of her equally beautiful 18-year-old daughter, Lily, with Michael Sheen, who she dated from 1995 to 2003. Aside from hitting the red carpet with her mini me, Kate has also enjoyed some fun-filled family outings with Michael and his longtime girlfriend, Sarah Silverman, proving that exes really can be friends. Of course, we're also a sucker for their throwback family pictures. See some of the family's sweetest moments together over the years.