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NEW YORK, NY - NOVEMBER 07: Singer Rihanna attends the 2012 Victoria's Secret Fashion Show at the Lexington Avenue Armory on November 7, 2012 in New York City. (Photo by Gilbert Carrasquillo/FilmMagic)

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What Were They Thinking?!

November 11, 2012

This week's worst-dressed crew includes Mischa Barton, Beyonce, and Britney. -- By Matt Whitfield, Yahoo! Staff