Oh, We So Horny 2.79K Brian Moylan 11/23/09 03:56PM Filed to: open caption open caption Leighton Meester Tinsley Mortimer constantine maroulis Gettypremium [Tinsley Mortimer better watch out because her man Constantine Maroulis and Gossip Girl's Leighton Meester were giving each other the rock horns backstage at his Broadway show Rock of Ages last night. Image via Getty]