NEW YORK, NY - NOVEMBER 26: Actress Allison Williams attends the 22nd Annual Gotham Independent Film Awards at Cipriani Wall Street on November 26, 2012 in New York City. (Photo by Jamie McCarthy/WireImage)
What Were They Thinking?!
This week's worst-dressed crew includes Kristen Stewart, Kanye West, and Katy Perry. -- By Matt Whitfield, Yahoo! Staff