The Jolie-Pitts explore Paris's famous tower. Plus: Britney, Gwyneth and more

START HIM UP

Jon Bon Jovi hits the stage Sunday before the Daytona 500 got under way. Also spotted at the 48th annual race: Black Eyed Peas singer Fergie crooning the national anthem, Jay Leno driving the pace car and James Caan serving as grand marshal.