There's a startup in France doing that : http://dress-me.fr/beta They are polishing the beta, but the app is pretty solid. On wider range, social shopping and social fashion have been really hot lately, and over the past 2 years.

I've worked on http://styyler.com for some time (never finalized it), and we were inspired by the fashism.com, polyvore.com ($8M funding), chictopia.com, lookbook.nu, weardrobe.com (acquired by Like.com), chicisimo.com, ...