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Diane Kruger

LOS ANGELES, CA - NOVEMBER 13: Actress Diane Kruger arrives at GQ Men Of The Year Party at Chateau Marmont on November 13, 2012 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)

What Were They Thinking?!

This week's worst-dressed crew includes Britney Spears, Jennifer Lawrence, and Jennifer Aniston. -- By Matt Whitfield, Yahoo! Staff