"Bad Girl" is a dance-pop song recorded by American R&B group Danity Kane. It was written by Nathaniel Hills, Mary Brown, James Washington and Melissa Elliott and produced by Danja, featuring guest vocals by rapper Missy Elliott. The song will be released as the second single from the band's second studio album, Welcome to the Dollhouse.

It has since been added to the girl's single's discography on Billboard and was given a July 1, 2008 release, whether this is digital download or radio impact is not yet known. Now online retailers such as Amazon.com and CDUniverse have the single slated as an LP and a release date for July 15, 2008.