NEW YORK, NY  [Monday Mar.21.2005]  /RedBoxCode.com/ -- Avril Lavigne is a Cosmo Girl. The pop singer appears on the cover of the April issue of Cosmopolitan, which is on newsstands now. A feature article called "Avril Lavigne: The Side Nobody Sees" is also included in the magazine.

Lavigne's latest album, "Under My Skin," is available now.

Wanna own a piece of Avril Lavigne?

More on Avril Lavigne