Stefani offers a lesson in French dressing at Cannes's amfAR dinner in France. Plus: Pippa Middleton, Ashton Kutcher, Cameron Diaz and more


Meet the new cast of Two and a Half Men! Ashton Kutcher makes his debut as the new star of the hit sitcom Wednesday, promoting the show alongside costars Jon Cryer and Angus T. Jones at the CBS upfront presentation in N.Y.C. "We are old friends from our male modeling days," Cryer said of his new costar.