Heartbreak Lullaby was A-Teens fourth and final single from the German and Scandinavian versions of their second studio album Teen Spirit and for The Princess Diaries movie soundtrack in Europe and Asia. The song was written by Jan Kask, Peter Mansson and Cathy Dennis. By public demand, the song was released on radio and TV in Mexico in January 2002 to promote the re-release of the album Teen Spirit reaching 58 on the Airplay Chart. The song reached number 6 on the Swedish charts and 77 on the German charts in December 2001.