Celeb Pix: Paris Hilton pops up at Cannes film festival

Pete Doherty shows why he's a tabloid favorite, arriving to take part in "Le Grand Journal" with Italian actress Asia Argento on his arm and a bottle of whiskey in his hand. Plus, Paris Hilton pops up at the Cannes film festival, and rapper Pitbull performs at the "World Rhythms" music festival.