Parties! The style, stars and scoop from Hollywood's hottest events

At the Vanity Fair bash, a generous Madonna shared her cocktail with Penélope Cruz after the Spanish stunner had worked up a thirst on the dancefloor. Cruz and Mia Maestro got into the groove of the tunes, which shifted from "Volare" to Motown hits to cool jazz. Hugh Jackman also had the music in him, thrusting his hips to the beat of Mary Wells' "You Beat Me to the Punch." Jon Voight, an Oscar winner for Midnight Cowboy, took to the floor to dance to Beatles classic "Sgt. Pepper's Lonely Hearts Club Band."