Madonna Kicks Off Her 'Sticky And Sweet Tour' In Cardiff - Concert

Hilary Duff leaves Beso with her new boyfriend

Ashlee Simpson leaves the Ivy

Sharon Stone leaves Beso with her new young boyfriend

Kate Moss picks up some vintage wine

Courtenay Semel and Brittny Gastineau go clubbing together and look cozy

Lewis Hamilton of Great Britain and McLaren Mercedes walks through the paddock during qualifying for the European Formula One Grand Prix in Valencia

Alyssa Milano spotted at LAX

Justin Long gives PDA to fans

John Mayer leaves his Soho apartment in New York

Blake Lively on the set of Gossip Girl, NYC

Chace Crawford and Penn Badgley on location in Central Park for 'Gossip Girl'