Think the first Monday in May is a glamorous affair? Wait until you see the Met's masquerade version of their infamous gala.

Last night, the Metropolitan Museum of Art hosted its first ever All Hallows' Eve Benefit, because socialites need a reason to get spooky. With a list of co-chairs that included Wendi Murdoch, Dasha Zhukova, and Karlie Kloss, the evening was unsurprisingly a fashion-forward success, bringing out the likes of Derek Blasberg, Joan Smalls, and Jessica Chastain, all dressed in their Halloween best. Nicky Hilton donned an elaborate ivory getup, while Lauren Santo Domingo turned to the dark side as a wicked witch. 

Click through for some chic and scary snaps!

[Photo by David X Prutting/]