What's the best way to celebrate the end of New York Fashion Week? With a celebration to honor Estée Lauder's latest fragrance: Modern Muse ($58-$98). Gorgeous gals, including Julianne Hough, Coco Rocha, and Joan Smalls, all showed face at the Guggenheim Museum for a night of cocktails and perfume. And the looks were absolutely breathtaking. Click through to see them all!
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