Olivia Wilde & Karlie Kloss: 12-12-12 Concert in New York!

Olivia Wilde, Karlie Kloss, and Zosia Mamet pose in the press room backstage at the 12-12-12 Concert for Sandy Relief held at Madison Square Garden on Wednesday (December 12) in New York City.

The ladies were joined by supermodels Joan Smalls and Chanel Iman, Sean Combs, Jeremy Piven, and Susan Sarandon at the event that raised money for the Robin Hood Relief Fund.

Next week, Olivia will open a special improv performance that will last 24 hours at Second City in Chicago!

FYI: Olivia is wearing an Illia jacket, Habitual jeans, Christian Louboutin heels, an Iwona Ludyga bracelet, and a House of Lavande ring.

30+ pictures inside of Olivia Wilde and others at the 12-12-12 Concert…