If your wildest fantasy involves Keira Knightley in a leather suit and helmet, then we just made your day! Though it's pretty apparent the British starlet doesn't know how to ride (bikes), these photos from a recent Chanel "Mademoiselle" perfume commercial shoot (below) are still nothing to turn up your nose at.

Granted, we'd have ordered up the Ducati 750 Sport in a different color, but it's an easy detail to overlook, since she coordinates it so well, and all. 

[via Hell For Leather