Avril Lavigne arrived at the Race to Erase MS Kick-Off event in West Hollywood, Calif. on May 1, 2010.
Avril Lavigne arrived at the Race to Erase MS Kick-Off event in West Hollywood, Calif. on May 1, 2010. Dan Steinberg Associated Press
Avril Lavigne arrived at the Race to Erase MS Kick-Off event in West Hollywood, Calif. on May 1, 2010. Dan Steinberg Associated Press