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Actress Allison Williams arrives at the 64th Primetime Emmy Awards at the Nokia Theatre on Sunday, Sept. 23, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Actress Allison Williams arrives at the 64th Primetime Emmy Awards at the Nokia Theatre on Sunday, Sept. 23, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Style winners

Our favorite red carpet moments of 2012.