The Roommate starring Leighton Meester and Minka Kelly topped the box office this weekend. The thriller, which is about a college student named Sara who finds her life is in jeopardy after being assigned to a dorm room with a new roommate named Rebecca, brought in $15.6 million.

Leighton Meester Minka Kelly

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Coming in second was James Cameron's Sanctum 3D with $9.2 million, followed by No Strings Attached with $8.4 million.

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Third place went to The King's Speech with $8.3 million and the Green Hornet 3D came in fourth with $6.1 million.

Did you see a movie this weekend? If so, which one?

Photos courtesy of Fame Pictures