Style Watch PollFashion Faceoff

Sometimes, stylish star minds think alike. You decide: Who wears it better? Vote on Hayden vs. Sienna and more. By Melissa Liebling-Goldberg

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LILY VS. KATE

The British singer dazzles in her Chanel dress at the GQ Men of the Year Awards in London, while the actress is picture-perfect in her black and white frock at the recent Chanel event in Los Angeles.

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Credit: EMPICS /Landov; Jeffrey Mayer/WireImage

Updated: Wednesday Oct 17, 2007 | 06:00 AM EDT

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