"My Happy Ending" is a song written and produced by Avril Lavigne and Butch Walker for Lavigne's second album, Under My Skin (2004). It was released as the album's second internationally released single in 2004 (see 2004 in music) and became Lavigne's third most successful single.
It peaked higher than "Don't Tell Me", the album's first single. In the United Kingdom, it reached the top five, in the United States, it peaked…
So much for my happy ending