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Kerry Washington

BERLIN, GERMANY - JANUARY 08: Actress Kerry Washington attends the 'Django Unchained' Berlin Photocall at Hotel de Rome on January 8, 2013 in Berlin, Germany. (Photo by Anita Bugge/WireImage)

What Were They Thinking?!

This week's worst-dressed crew includes Katharine McPhee, Kerry Washington, and Mariah Carey. -- By Matt Whitfield, Yahoo! staff