Guess Me From Behind: Black Lace Bare Ass

What the OMFG was she thinking?!
Jaws dropped when this TV star recently stepped out in a plunging, black lace jumpsuit that left little to the imagination.
It's not only a 180 from the preppy princess she plays on the small screen, but it's also more skin than we've ever seen from this young star.
Can you guess who was brave stupid enough to step out next-to-naked on the red carpet?

It's Leighton Meester at the Harry Winston Court of Jewels Recreation launch in New York City (not even the tropics, which could at least provide some flimsy excuse).
Marchesa is responsible for the Gossip Girl star's sheer lace outfit with shoes by Nicholas Kirkwood and bling by Harry Winston, natch.
And even if this style counts as designer—Marchesa does dress Hollywood's finest, after all—somewhere Blair Waldorf's delicate head is spinning.