Recognize the Reveler: Flashy Fashion

What superstar is showing some serious skin at Cannes? Guess now!

Here's a Hint: This celebrity just showed up in the south of France and caused a photog frenzy in her Chanel Haute Couture dress and Chopard diamonds. Not only does she have a movie to promote at the Cannes Film Festival, she's hosting a huge bash, too.

Think you know the star rocking this glam getup? Get the answer here!