Kate Beckinsale [1] may be one of the biggest stars in Hollywood, but she's also a proud mom. The gorgeous actress [2] 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 [3], Sarah Silverman, proving that exes really can be friends [4]. Of course, we're also a sucker for their throwback family pictures [5]. See some of the family's sweetest moments together over the years.