“Midnight Madness”, Karlie Kloss dancing the night away in a Jason Wu heather grey strapless feathered silk gazar peplum dress and Van Cleef & Arpels earrings.
Click link to see more photos from The Met Gala After party exclusively on Vogue.com: http://www.vogue.com/parties/the-met-gala-2012-after-party/