Hilary Duff is joining the cast of Gossip Girl, TVGuide.com has confirmed.
Duff will play Olivia Burke, a movie star who enrolls at NYU, where her new roommate is… Vanessa. No word on how Olivia will interact with the other new Bobcats (roomies Blair and Georgina and "Lonely Boy" Dan among them), but we're guessing that she will.
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Duff has signed on for several episodes, beginning with the new season's fourth. Gossip Girl returns on Monday, Sept. 14 at 9 pm/ET.
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