Stefani offers a lesson in French dressing at Cannes's amfAR dinner in France. Plus: Pippa Middleton, Ashton Kutcher, Cameron Diaz and more
Published: Thursday May 19, 2011 | 05:00 AM EDT
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Cameron Diaz links up with Oscar-winning costar Colin Firth Thursday on the London set of their new movie, Gambit.
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