Exciting news Gossip Girl fans, Hilary Duff has just signed on to appear in a multi-episode storyline in the new series. The actress will play a movie star named Olivia Burke who enrols in NYU hoping to have a normal out of the spotlight college experience, and ends up being the roommate of Jessica Szohr’s character Vanessa. Fans will have to wait a while to witness her performance as she won’t enter the storyline until the fourth episode of next series. We wonder if a dalliance with Chuck Bass will be on the cards..?!