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Rob Morrow

HOLLYWOOD, CA - NOVEMBER 27: Rob Morrow attends the Jaguar And Land Rover Celebrate 2012 Auto Show Arrivals At Paramount Studios at Paramount Studios on November 27, 2012 in Hollywood, California. (Photo by Jonathan Leibson/WireImage)

What Were They Thinking?!

This week's worst-dressed crew includes Kristen Stewart, Kanye West, and Katy Perry. -- By Matt Whitfield, Yahoo! Staff