Mary-Kate and Ashley Olsen at Elle Style Awards 2010

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U.S. actresses Mary-Kate (L) and Ashley Olsen pose at the Elle Magazine style awards in central London, February 22, 2010. (Reuters/Andrew Winning)

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British actress Kristen Stewart poses for pictures at the Elle Magazine style awards in central London, February 22, 2010. (Reuters/Andrew Winning)

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British actor Colin Firth speaks to a tv crew at the Elle Magazine style awards in central London, February 22, 2010. (Reuters/Andrew Winning)

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Australian singers and actresses Dannii (R) and Kylie Minogue pose together at the Elle Magazine style awards in central London, February 22, 2010. (Reuters/Andrew Winning)

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Actress Carey Mulligan arrives for the Elle Magazine style awards in central London, February 22, 2010. (Reuters/Andrew Winning)

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Actress Claire Danes arrives for the Elle Magazine style awards in central London, February 22, 2010. (Reuters/Andrew Winning)

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British singer Paloma Faith (R) and an unidentified man arrive for the Elle Magazine style awards in central London on February 22, 2010. (Reuters/Andrew Winning)

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Actress Kristen Stewart arrives for the Elle Magazine style awards in central London on February 22, 2010. (Reuters/Andrew Winning)

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Jaime Winstone (L) and Pixie Geldof arrive for the Elle Magazine style awards in central London on February 22, 2010.(Reuters/Andrew Winning)

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TV presenter Alexa Chung arrives for the Elle Magazine style awards in central London on February 22, 2010. (Reuters/Andrew Winning)