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. Miller signed a two-year contract with Pepe Jeans London; the jeans ad campaign first appeared in magazines March 2006. in 2001, she made her film début with South Kensington, with Rupert Everett and Elle Macpherson and later had a recurring role in the television drama series Keen Eddie. in 2005, Miller played the female lead opposite Heath Ledger in the period comedy drama, Casanova, followed by the role of 1960s socialite and Andy Warhol’s muse Edie Sedgwick in Factory Girl, which opened December 29, 2006.