Sienna Rose Miller (born December 28, 1981) is a British-American actress, model, and fashion designer, best known for her roles in Layer Cake, Alfie, Factory Girl, The Edge of Love and G.I. Joe: The Rise of Cobra. In 2007, the London Film Critics named her British Actress of the Year for Interview. In 2006, she designed a fashion capsule for Pepe Jeans.
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