Leighton Meester Sings "Good Girls Go Bad"

Gossip Girl's "Queen B" Leighton Meester premiered her first ever single titled 'Good Girls Go Bad' no Ryan Seacrest radio show.

The song is a collaboration between Leighton and Cobra Starship and was co-written by American Idol judge Kara DioGuardi.

LISTEN HERE - Cobra Starship ft. Leighton Meester "Good Girls Go Bad"