Avril Lavigne is joined by Travis Barker for a live performance of her 2007 hit Girlfriend as part of SiriusXM + Pandora s Small Stage Series concert. Hear more from SiriusXM on our app Click here for your trial subscription: Subscribe to SiriusXM on YouTube: Connect with SiriusXM Online Facebook: Twitter: Instagram: , SiriusXM, Sirius, SXM