Hilary Duff (A Cinderella Story, Cheaper by the Dozen 2) is joining CW's Gossip Girl for a multi-episode arc this fall, according to EW.com.

The actress/pop star will play Olivia Burke, a movie star who enrolls at NYU in search of a traditional college experience. She ends up being roommates with Vanessa (Jessica Szohr).

Duff is scheduled to debut in this season's second episode, slated to air in September.

See more photos of Hilary here:

Image © PRN / PR Photos

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The stereotypical "Chick Flick" is a movie geared towards the ladies. You drag your boyfriends to see them with you, cry your eyes out and believe that there really is a fairy tale ending to every story. There are some great chick flicks out there that even guys don't mind watching…don't be embarrassed! Yet, there are a few that even chicks don't like!

Here is our list of the worst chick flicks:

Failure to Launch

AKA "Failure to Make Money at the Box Office" had potential to be a good chick flick but bombed badly. Sarah Jessica Parker plays a therapist/interventionist who ...