Fashion 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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KATE VS. THANDIE

Same dress, same festival – in 24 hours! The Girl in the Park star showed off her hot pink Preen dress at the film's premiere in Toronto on Sunday, while the Run, Fat Boy, Run actress worked her pocketed frock at her own film screening the next night.