Rolling Stone cover featuring Blake Lively and Leighton Meester

They're pretty, they're young and hot damn are they dirty! The Gossip Girl cast, known for their scandalous characters, recently struck some super sexy poses for Rolling Stone. Most notable is Blake Lively and Leighton Meester's come-hither cover pic, which features the duo sucking down what appears to be a mighty tasty ice cream cone together. Go behind the scenes with the Upper East Siders as they let loose in a pillow fight and jump between the sheets for their close-ups.