With only one challenge left to make it to New York Fashion Week, the remaining designers must think big to create an avant-garde look that is anything but ordinary. In a fashion first, the runway begins with a season long retrospective, outside and 16 stories high, at New York City's dramatic, Vessel. The stakes are as high as the runway, because in fashion one day you're in, and in this challenge, two will be out. 

The remaining designers rush to put the final touches on their collections, balancing advice from experts while trying to not lose their own point of view. It's game, set, match when Serena Williams joins as guest judge for the final runway, with only one designer chosen as the winner.