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

"I call this the 'Get your boyfriend back' dress," said Michelle Trachtenberg of her form-fitting Herve Leger dress at the Whitney Contemporaries Art Party and Auction. "I've got a few of these in my closet!" Other famous femmes who strutted their stuff in Max Azria's take on the bandage dress were Joy Bryant, Eva Amurri and first daughter Barbara Bush.