Sienna Rose Miller (born December 28, 1981) is an American-born English actress and model.
Prior to her professional acting career, Miller worked as a photographic model. She signed with Tandy Anderson, and modeled for Coca-Cola, Italian Vogue, Prada and the 2003 Pirelli Calendar.
Miller signed a two-year contract with Pepe Jeans London; the jeans ad campaign first appeared in magazines March 2006.
Miller posed for Vanity Fair magazine's 2006 "Hollywood Issue" topless and smoking a cigarette.
She appeared on the December 2004 and the February 2006 cover of British Vogue, and will appear on the September 2007 cover of U.S. Vogue.
In her early career, Miller performed in several New York City plays including The Striker, Independence, and Oscar-winning director Anthony Minghella's Cigarettes & Chocolate.[5]
Miller had a recurring role in Simon West's television action drama series Keen Eddie (2003-4).
In 2005, Miller made her West End debut as Celia in Shakespeare's As You Like It alongside Tegan Hull, Dominic West and Reece Shearsmith. She played the role of Rosalind for one performance, when Hull, the actress playing the lead, fell ill.