[Olivia Wilde] [Olivier Rousteing, Karlie Kloss] [Cameron Diaz] [Constance Jablonski via Vogue]
From a chic, model-studded Balmain and Vogue dinner at Red Rooster to the 2012 Whitney Gala, New Yorkers were out in full party mode last night. Lucky for us, that means there was lots of fashionable eye candy to be seen. Olivia Wilde went for a plunging neckline at the "Django Unchained" premiere, while Whitney Port kept it casual at the Polaroid Eyewear 75th Anniversary event. Click through to see who else made last night's best dressed guests.
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