"Bad Girls" is a single by American duo MKTO, released as a digital download on June 2, 2015 by Columbia Records. It serves as the first single from their first extended play, Bad Girls EP (2015). The song is a pop song with heavy funk influences featuring predominant saxophone instrumentation in its production. The duo performed the song for the first time on June 2, 2015 during Good Morning America as well as on The Late Late Show on June 4, 2015.