F or more than 20 years, Avril Lavigne has captured the hearts of millions worldwide. ... Additionally, Lavigne treated fans to a cover of the 1980 classic "Bad Reputation" by Joan Jett.

Avril Lavigne Is Back. If You Believe That. The Canadian singer, with a new album and a tour, this week addressed a bizarre conspiracy theory that she has been replaced with a doppelgänger.