Posted on Sat May 21, 2011 11:15 AM PDT
Sean Penn's new drama This Must Be the Place brought out not only the film's star-studded cast, but a host of other celebs in Cannes who couldn't wait to see these masters at work.
Sean Penn plays a retired rock star who sets out to find his father's executioner, an ex-Nazi war criminal who's a refugee in the U.S.
Check out our massive gallery of beautiful red-carpet looks!
Who do YOU think has the best dress? And what do you think of Gwen's dark eye makeup???
SEE THE GALLERY Sean Penn Premieres His New Film In Cannes
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