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Opening Ceremony And 'The Great Gatsby' Premiere - The 66th Annual Cannes Film Festival

CANNES, FRANCE - MAY 15: Singer Florence Welch attends the Opening Ceremony and premiere of 'The Great Gatsby' during the 66th Annual Cannes Film Festival at Palais des Festivals on May 15, 2013 in Cannes, France. (Photo by Venturelli/WireImage)

Celeb Style Snafus (week of 5/13/2013)

Britney Spears, Kim Kardashian, and Kerry Washington flaunt fashion faux pas. -- By Matt Whitfield