The fashion show for the "Project Runway" finale went down today in NYC -- and offered up some spoiler packed shots and what to expect when the episode hits TV.

Jessica Simpson joined Heidi Klum, Michael Kors and Nina Garcia on the runway during the Mercedes-Benz Fashion Week show. Jess, who just debuted her own clothing line the other day, will be a guest judge,

As for which designers sent clothes down the catwalk -- check out the gallery!

Find out who wins when the finale airs in October.

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