Cast member Sienna Miller poses at the premiere of the movie "G.I. Joe: The Rise of Cobra" at the Grauman's Chinese theatre in Hollywood, California August 6, 2009. The movie opens in the U.S. on August 7. Reuters Pictures logo Reuters Pictures 30 months ago

Cast member Sienna Miller poses at the premiere of the movie "G.I. Joe: The Rise of Cobra" at the Grauman's Chinese theatre in Hollywood, California August 6, 2009. The movie opens in the U.S. on August 7.