Katy Perry - Super Bowl XLIX Halftime Show 2015 Performance HD - YouTube
Katy Perry blew away the Super Bowl halftime show | For The Win
Katy Perry - Uncle Kenny (Making of “Last Friday Night (T.G.I.F.)”) - Part 7 - YouTube
Katy Perry - This Is How We Do/ Last Friday Night (Live at The Prismatic World Tour) - YouTube
Katy Perry - This Is How We Do & Last Friday Night (Live at Prismatic World Tour) - YouTube
Last Friday Night (T.G.I.F.) - Wikiwand
Missy Elliott and Katy Perry Will Team Up for Super Bowl Halftime Show – Rolling Stone
Who's Katy Perry's Super Bowl Guest? 5 Best Reactions - E! Online
Katy Perry - California Pop Superstar | uDiscover Music
Super Bowl XLIX Halftime Show Starring Katy Perry (TV Special 2015) - IMDb
Katy Perry: Last Friday Night (T.G.I.F.) (Music Video 2011) - News - IMDb
Katy Perry - Last Friday Night (T.G.I.F) (Full Concert Performance) - YouTube
Katy Perry - Last Friday Night (Live At Billboard Summer Beats Concert) - YouTube
Super Bowl 2015: Katy Perry Halftime Show Photos | Time
Super Bowl XLIX halftime show - Wikipedia
Katy Perry brings fireworks to Super Bowl 2015 - CBS News
Super Bowl XLIX halftime show - Wikipedia
Katy Perry - Wikipedia
List of Katy Perry live performances - Wikipedia
Katy Perry blew away the Super Bowl halftime show | For The Win
Katy Perry - Making of “Last Friday Night (T.G.I.F.)” Music Video - YouTube
Katy Perry blew away the Super Bowl halftime show | For The Win
Katy Perry brings 'Prism' to all-star benefit at Hollywood Bowl - Los Angeles Times
Katy Perry - Credits (text only) - IMDb
Ask Billboard: Controversial Hits, Katy Perry's Sales & Taylor Swift's Radio Reign – Billboard
