Keira Knightley uses body double

On a recent Esquire magazine cover, Keira Knightley was toasted as "what cameras were made for".

While the oft-photographed starlet is frequently praised for her elfin beauty, she needed a little assistance for a scene in her new film, Domino.

Although she appears topless later in the film, something about an early sequence of lap dance shots seems a little fishy.

Asked if the dancing was all her, Knightley, who plays model-turned-bounty hunter Domino Harvey, doesn't hesitate.

"No, It's definitely a body double, I don't have that body," she says with an utterly disarming grin.

"What a bum! I wish I had that bum!"