Sienna Rose Miller was Born on December 28, 1981. She is an American Born English Actress and Model.Prior to her professional acting career, Miller worked as a photographic model. Following her appearance at the Glastonbury Festival in 2004, she was credited by many with having popularised the fashion style of boho-chic in Britain. Miller currently models for Pepe Jeans, and she posed for Vanity Fair magazine's 2006 Hollywood Issue topless and smoking a cigarette.She had a recurring role in the television series Keen Eddie. Miller appeared in supporting roles in the 2004 remake of the 1996 movie Alfie as well as in Layer Cake (2004). She played the female lead opposite health Ledger in the period drama, Casanova (2005).