"Break Up Song" is a song by British girl group Little Mix. It was released on March 27, 2020, and serves as the lead single from the group's sixth studio album Confetti (2020). The group co wrote the song a year before it was chosen as the album's lead single with Frank Nobel and producers Kamille and Goldfingers. Break Up Song received positive reviews from critics who described it as a synth-pop track with influences of 1980s pop music. The song addresses themes of heartbreak, and independence with lyrics about over-coming an ex and celebrating independence.