Sienna Miller re-established herself as our number one style crush as she vamped it up on the red carpet for the premiere of her new movie American Sniper. The movie, which was directed by Hollywood veteran Clint Eastwood, is based on the experiences of real life Navy Seal Chris Kyle, played by Bradley Cooper, a war hero who sadly couldn't leave the war behind him when he returned to his wife and children. Their on screen relationship might have been strained but there was no domestic drama here as the pair looked delighted to be reunited for the event.