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[catwalk image: Coutorture. Celeb image: Judy Eddy / WENN.com]

Sienna Miller was out in Vegas last night for the ShoWest Awards Gala, and she chose to wear a British designer, Jonathan Saunders, for the occasion. She picked up an award for Best Supporting Actress (apparently, when she's not wearing amazing clothes at parties, she acts) for Edge of Love wearing a zig-zag mini with architectural shoulder detail. She looks fab, and so different from the other attendees in their strapless satin dresses and little slips!