Ballet and fashion

Interesting how many designers create ballet inspired fashion after Black Swan became such a hit.
Examples?
Galliano's latest show from the Paris Fashion Week, very Nureyev-inspired:

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That's what I would wear at the ballet room if I was a guy:

Chloé's spring collection 2011 shown at the Paris Fashion Week also showed some ballet-elements:

Chanel RTW Spring 2011, Black Swan?

And the white Swan:

And yes, the sports industry also cooperates now with dancers, in this case with the ones from the Staatsballett Berlin. Adidas made a collection with them.