Read more about Sienna Miller's Tattoos
British actress, fashion designer and model Sienna Miller was born on December 28, 1981. She is best known for her role in several Hollywood blockbuster movies such as Alfie, The Edge of Love, Factory Girl, Layer Cake and G.I. Joe: The Rise of Cobra. Miller has also has designed a fashion line for Pepe Jeans in 2006, and has often posed in several magazines as a fashion model.