LOS ANGELES, CA  [Tuesday Aug.30.2005]  /Mix103FM.com/ -- Avril Lavigne guests on "The Tonight Show with Jay Leno" tomorrow, August 31st.

During this repeat episode of the show, you can catch Lavigne performing "He Wasn't" off her second album "Under My Skin."

Other guests on the program include actress Selma Blair and comic John Caparulo.

"The Tonight Show with Jay Leno" airs weeknights at 11:35 pm ET/PT on NBC.

Wanna own a piece of Avril Lavigne?

More on Avril Lavigne