The slimmed-down actress heads out in L.A. Plus: Orlando & Kate, Mischa Barton, Jessica Simpson and more

HE ROLLS LIKE THAT

Owen Wilson travels on four wheels alongside a four-legged friend in Santa Monica on Tuesday. But don't be fooled by his surfer-dude demeanor: His movie Wedding Crashers opens Friday, and the next day he'll host the 2005 Mercedes-Benz Polo Challenge in New York's Hamptons.