Gossip Girl S4, E12

Privileged teens living on the Upper East Side of New York can hide no secret from the ruthless blogger who is always watching.

Cast:Blake Lively , Leighton Meester , Penn Badgley , Ed Westwick , Chace Crawford , Kelly Rutherford , Matthew Settle , Taylor Momsen , Jessica Szohr , Zuzanna Szadkowski , Connor Paolo , Kaylee DeFer , Margaret Colin , Amanda Setton , Nicole Fiscella , Michelle Trachtenberg , Robert John Burke , Nan Zhang