Last night, mobs of fashion lovers took to the streets to celebrate Fashion's Night Out. Traffic was jammed everywhere, revelers blocked the sidewalks — it was complete style chaos. But the mood was downright celebratory, and how could it not be, with so much complimentary champagne and the chance to see, with a little luck, your favorite reality TV star/model/blogger/designer/hip-hop sensation/Muppet? From uptown to downtown, we sent a photographer to capture it all. Click through to re-live the mania.