"Bad Girl" is a song recorded by American girl group Danity Kane. This song was penned by Mary Brown, Jim Beanz, Devin "DLP" Parker, Danja and Missy Elliott. Produced by Danja and featuring guest vocals by Elliott, it is not only the second and final single from the band's second studio album, Welcome to the Dollhouse, it is also the last release from the group before their early 2009 breakup, and the last with now-former members D. Woods and Aundrea Fimbres. Released on July 1, 2008 by Bad Boy/Atlantic, it did not do as well and the group's preceding single "Damaged", only peaking at 85 on the Pop 100.

The recording process of "Bad Girl" was featured on the second season of the MTV reality television show, Making the Band 4. They received the track only after revealing their dissatisfaction with the direction of their album to Diddy (their executive producer).

After recording three songs (two of which being "Is Anybody Listening" and "Poetry"), the group feared that the songs revealed a trend that indicated Diddy's and the record label's concept for their new album. These opinions were first voiced during a studio session with Jim Beanz, Aundrea Fimbres stating they wanted a "pop-international [album]". Next, Aubrey O'Day represented the band's opinions in a conversation with their A&R, Conrad Dimanche. "Conrad, please just understand when I say this ... [last album] was more about learning and growing. And now, we found ourselves. So this album, to us, has to feel like we found ourselves, and we don't feel that yet." He tried to explain to her that the team's goal was "to have an incredible album", the same as Danity Kane's, but O'Day rebutted. She continued, stating the songs so far recorded consisted of "these 'I Want You Back', 'I Miss You', 'I Need You' [songs]," but clarified herself, adding, "I'm not saying there can't be those moments where we're vulnerable." She concluded, "We are strong women ... and we need to be able to sing that."

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