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Leelee Sobieski

PARIS, FRANCE - JANUARY 24: Leelee Sobieski poses as she arrives to attend the Sidaction Gala Dinner 2013 at Pavillon d'Armenonville on January 24, 2013 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)

What Were They Thinking?!

This week's worst-dressed crew includes Willow Smith, Kate Bosworth, and Kanye West. -- By Matt Whitfield