That's a screen grab from a long form ad for a Coco Channel perfume. That's Keira Knightley on the bike. Or more likely her stunt double.
http://m.youtube.com/#/watch?deskto...e.com/watch?v=Lgvo8l00w-E&v=Lgvo8l00w-E&gl=US
Exactly!
http://www.autoblog.com/2011/03/14/video-keira-knightley-straddles-ducati-for-coco-chanel/