Heartbreak Lullaby is a single by the A-Teens for the Princess Diaries movie soundtrack in Europe and Asia.

The song was written by Jan Kask, Peter Mansson and Cathy Dennis.

The version included on the soundtrack and used in the music video for the song is the "Ray Hedges 7" Mix".

In 2002, the song was included on a reissue of the group's second album, Teen Spirit.

The video was filmed in Germany and features scenes from the movie The Princess Diaries.