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Olivier Theyskens and Kate Bosworth

Olivier Theyskens hosted the Saks Fifth Avenue and Theory-sponsored Whitney Art Party in New York, and welcomed pal Kate Bosworth to join him wearing his shirred Theyskens’ Theory LBD. Her look, which she paired with Giuseppe Zanotti sandals, earned a spot on our "Look of the Day" roundup. Inside, guests sipped Belvedere cocktails while previewing the work of dozens of artists.