Hey upper east siders! This black Marc by Marc Jacobs lace dress is an alt color of the Fall 2007 runway Dita dress — easily the most requested and sought-after dresses seen on Blair Waldorf on Gossip Girl. This dress is a size 4 and in excellent used condition. And listen to Dorota: wear it with pearls! Be sure to check my other listings for lots more of your favorite fashion seen on the show!