Friends with benefits ruled. No Strings Attached premiered in the Number One spot at the box office with $20.3 Million. The Green Hornet was Second with $18.1 Million. The Dilemma was Third with $9.7 Million. The King’s Speech was Fourth with $9.1 Million. True Grit (2010) was Fifth with $8 Million. Black Swan, The Fighter, Little Fockers, Yogi Bear, and TRON: Legacy rounded out the top ten respectively.
Source: BoxOfficeMojo