Sienna Rose Miller (born 28 December 1981 in New York City) is an English actress, model, and fashion designer. She is 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.