Dan and Serena drink too much wine and end up kissing. Then, they fall asleep. Jenny snaps a pic of S. and her brother in bed the morning after and sends it to Gossip Girl. Nate is hurt by the pic ...

Gossip Girl's efficiency, Blair's failed marriage and the scandal that made Serena famous are addressed in THR's exclusive clip from Monday's episode. By Philiana Ng First Georgina Sparks, now ...