"Fall to Pieces" is a song by Canadian singer Avril Lavigne, and was the fifth and last single from her second album, Under My Skin; it was the fourth single in the United States. The song was produced and written by Avril Lavigne and Raine Maida. It was Lavigne's least liked song in the U.S., but was very well liked in Canada. There is no music video for this single, because the shoot for the video was cancelled.