#VEVOCertified, Pt. 8: Last Friday Night (Fan Lip Sync Ve...

Music video by Katy Perry performing #VEVOCertified, Pt. 8: Last Friday Night (Fan Lip Sync Version). © 2012 Capitol Records, LLC. All rights reserved. Unauthorized reproduction is a violation of applicable laws. Manufactured by Capitol Records, LLC, 1750 North Vine Street, Hollywood, CA 90028.