Sienna Miller arrives for a screening of the film "The September Issue" in New York August 19, 2009.
Cast member Rachel Nichols and Sienna Miller pose at a red carpet ceremony in Tokyo July 27, 2009.
Sienna Miller poses for photographers during a photocall to promote her new film "G.I. Joe", on HMS Belfast on the River Thames in London July 22,09.
Sienna Miller arrives by boat for a press conference for 'G.I. Joe The Rise Of The Cobra' at Simmer On The Bay on July 20,in Sydney.
Actress Sienna Miller arrives at the BOSS Orange Fashion show during the Mercedes Benz Fashion week on July 2, 2009 in Berlin, Germany.
Actress Sienna Miller is presenting the new 'Boss Orange' fragrance at an El Corte Ingles store in Madrid, Spain June 5, 2009.
Actress Sienna Miller arrives at the 2009 MTV Movie Awards in Los Angeles May 31, 2009.
Zac Efron holds up his award during the ShoWest Award show at the Paris Las Vegas resort in Las Vegas.
Sienna Miller and Kira Knightley attend The British Independent Film Awards 2008 at the Old Billingsgate Market on November 30, 2008 in London, England.
Sienna Miller and Keira Knightley pose during a photocall for their new film 'The Edge of Love' at Edinburgh Castle.
Sienna Miller poses for photographers during a photocall to promote her new film "G.I. Joe", on HMS Belfast on the River Thames in London July 22,09.
Actress Sienna Miller arrives at the BOSS Orange Fashion show during the Mercedes Benz Fashion week on July 2, 2009 in Berlin, Germany.