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

"What's up Vegas?" Paris Hilton called to the fans cheering from the casino. Hilton—in a wild leopard-print dress from Dolce & Gabbana—talked about getting a one-night reprieve from the set of her new movie to travel to Sin City from Toronto just for the VMAs. "I want to see Britney," said the heiress of making the most of her day off. "And I'll go to LAX later for Diddy's party."