Lively sports a chic printed dress while arriving to the Gossip Girl set in N.Y. Plus: Cameron Diaz, Audrina Patridge and more

DRESSED TO DINE

Talk about ageless! A toned and trim Cameron Diaz flashes her fab figure in a little black dress Monday night after celebrating her 38th birthday with baseball player beau Alex Rodriguez (not pictured) at the Lion, a restaurant in downtown New York.