"Good Girls Go Bad" is a song by American pop band Cobra Starship with guest vocals by Leighton Meester.

[3] The song went on to become Cobra Starship and Leighton Meester's first US hit and top 10, peaking at number seven on the Billboard Hot 100 and was certified double-Platinum by the Recording Industry Association of America, denoting over 2 million copies sold in the United States.

[13] On November 18, 2009, at the Flagship Store of American Eagle Outfitters, Leighton Meester gave her first-ever live performance of the song.

On November 24, 2009, Leighton Meester appeared on stage with Cobra Starship at the OP Presents Tour at the Nokia Theatre, marking the first time they performed the song live together.

[14] As a surprise guest on Fall Out Boy's 2024 "So Much For 2our Dust" tour, Gabe Saporta and Vicky-T of Cobra Starship performed the song at the Anaheim show on March 4.

[15] Billboard reviewer Michael Menachem made comment on the song: "Good Girls Go Bad has the magic to launch the members of Cobra Starship into superstardom.

The guy anthem is sweetened with "Gossip Girl" star Leighton Meester's first musical effort, adding some sass to match Gabe Saporta's energetic vocals.

[17] A music video for the song was shot on May 3, 2009, in New York City[8] by director Kai Regan and it premiered on Monday, June 29, 2009.

The concept of the video is that Gabe Saporta runs an underground speakeasy, complete with shelves of booze, gambling tables and a dance floor.

Meester and Victoria Asher — who has a codename of Johnny Outlaw — the band's keytarist, exchange several text messages while in the club concerning a package hidden in the DJ's booth.

[23][24] As a reference to Leighton Meester's vocals, the track was used on Gossip Girl for several scenes where her character, Blair Waldorf, is portrayed on the episode "The Freshmen".

(renamed as "ZBZ Girls Go Bad"), in the season 4 premiere of Ugly Betty, and in the episode "Homecoming and Coming Home" of Hart of Dixie.

[31] Its most recent usage was in the opening sequence of the season 16 Law & Order: Special Victims Unit episode "Granting Immunity" in 2015.