Released April 23, 2002
"Complicated" is a song by Avril Lavigne and was her first single, released in 2002 from her debut album, Let Go. It was written by Lavigne and The Matrix (Scott Spock, Lauren Christy, and Graham Edwards), and produced by The Matrix. The single reached number one in Australia, New Zealand and Mexico, number two on the Billboard Hot 100, spending 16 consecutive weeks in the Top Ten of the Billboard Hot 100 and 13 weeks in the Top Five, and number three in the United Kingdom. Read more on Last.fm.