Avril Lavigne is the singer and songwriter of My Happy Ending.
Lavigne has scored six number-one singles worldwide , including `` Complicated '' , `` Sk8er Boi '' , `` I 'm with You '' , `` My Happy Ending '' , `` Nobody 's Home '' , and `` Girlfriend '' .	Complicated	Complicated (Avril Lavigne song)	Girlfriend	Girlfriend (Avril Lavigne song)	Sk8er Boi	Sk8er Boi	My Happy Ending	My Happy Ending
`` My Happy Ending '' is a song by Canadian singer-songwriter Avril Lavigne , written by herself and Butch Walker for her second studio album , Under My Skin -LRB- 2004 -RRB- .	Avril Lavigne	Avril Lavigne	Butch Walker	Butch Walker	Under My Skin	Under My Skin (Avril Lavigne album)	Canadian	Canadians
