Credit: Getty Images
(FILE PHOTO) In this composite image a comparison has been made between Sienna Miller (L) and Leelee Sobiesk (R) for a Celebrity Same Dresses feature.
(Left Image) LONDON - OCTOBER 18: Sienna Miller arrives at the BFI 51st London Film Festival 'Interview' premiere at the Odeon West End cinema, Leicester Square on October 18, 2007 in London, England. (Photo by MJ Kim/Getty Images)
(Right Image) NEW YORK, NY - MAY 23: Leelee Sobieski attends the Volkswagen, MoMA & MoMA PS1 celebratory dinner at The Museum of Modern Art on May 23, 2011 in New York City. (Photo by Theo Wargo/Getty Images)