Seemingly unaware of the impending release of her sex tape, Leighton Meester was seen greeting crew members as she arrives on set for the first day of filming for season 3 of Gossip Girl in New York City today (June 29).

The highly-anticipated third season — which will kick off with Blair catching Chuck during a romantic redenez-vous with a leggy model — will start airing on the CW on September 14.

Meanwhile, Cobra Starship has released their official new video for Good Girls Go Bad. The video features none other than Miss Meester as — you guessed it — a good girl gone bad.

CLICK HERE to check it out!