Gossip Girl actress, Leighton Meester really dug deep when preparing for her role in the movie, “The Roommate.” Judging from the trailer, it looks pretty creepy and somewhat disturbing. This article explains what Leighton put herself through. Do you think you could put yourself through the things actors put themselves through? Check it OUT! ALSO, another CW actress plays in the movie, Aly Michalka from HELLCATS! Movie comes out Feb. 4th!