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Amanda Seyfried

NEW YORK, NY - DECEMBER 11: Actress Amanda Seyfried arrives at "Late Show with David Letterman" at Ed Sullivan Theater on December 11, 2012 in New York City. (Photo by Taylor Hill/FilmMagic)

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December 13, 2012

This week's best-dressed crew includes Blake Lively, Cate Blanchett, and Kristen Stewart. -- By Matt Whitfield, Yahoo! Staff

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