"The Roommate" is a 2011 psychological thriller directed by Christian E. Christiansen. The film follows a college freshman named Sara who moves into a dorm and quickly becomes friends with her roommate, Rebecca. However, Rebecca's obsession with Sara escalates, leading to dangerous and unsettling situations. As the story unfolds, Sara discovers Rebecca's dark past and her increasingly unstable behavior. The film explores themes of friendship, jealousy, and the consequences of obsession, culminating in a tense climax that tests Sara's survival instincts. The movie stars Leighton Meester as Rebecca and Minka Kelly as Sara.