Simpson and Wentz create a water world for two while vacationing in Jamaica. Plus: Sarah Jessica Parker, Paris Hilton and more

CASTING COUCH

Paris Hilton takes a seat to deliver some big news: She's returning to television! The heiress announces her Apprentice-style MTV reality show, Paris Hilton's My New BFF, tracking her search for a sidekick, during a party Thursday at a house in the Hollywood Hills. But what about Nicole Richie? "Nicole is my best friend and my sister, so she understands," Hilton told PEOPLE. "She's at home with her baby."