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The fall 2013 season of New York Fashion Week is upon us! It’s the best time of year to spot the biggest designers and the big stars who love them trotting around New York City, party-hopping from one event to the next. Here, we’re rounding up photos from the biggest bashes of the week—like Alexa Chung at Marni’s fragrance launch and Vanessa Hudgens at John Varvatos’s website bash—click through the gallery to see them all!