The actor has some sun-and-fun in Malibu. Plus: Tom Cruise, the Olsens, Hilary Duff and more

PERSONAL SHOPPER

Former "Dirrty" girl Christina Aguilera, leaving a New York City hotel on Friday, may be dressing more demure these days, but she hasn't lost her taste for sexy underthings: She's toting a shopping bag from the high-end lingerie store Agent Provocateur.