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A model wears a dress by Jason Wu during the Mercedes-Benz Fashion Week Fall 2013 collection show in New York.

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Models wear new creations during the Kate Spade New York fall 2013 presentation during Mercedes-Benz Fashion Week.

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Nina Garcia, Zac Posen, and Heidi Klum attend the Project Runway Fall 2013 fashion show during Mercedes-Benz Fashion Week in New York City.

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A model has a tattoo reading "we're all mad here" on her arm as the Tadashi Shoji Fall 2013 collection is modeled during Fashion Week in New York.

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Models walk the runway at the Carmen Marc Valvo Fall 2013 fashion show during Mercedes-Benz Fashion Week in New York.

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A model walks the runway at the presentation of the Carmen Marc Valvo Fall 2013 fashion collection during Fashion Week in New York.