Katy Perry and Ellen DeGeneres Are Getting Their Own YouTube Shows | Glamour
Katy Perry - Unconditionally (Official) - YouTube
Katy Perry - Rise (Official) - YouTube
When I'm Gone (Alesso & Katy Perry) / Walking On Air Medley Live from PLAY Las Vegas - YouTube
The YouTube Interview with Katy Perry - YouTube
Katy Perry Israel - YouTube
Katy Perry | Katy Perry YouTube Live, November 22, 2008 Fort… | Flickr
Katy Perry - Daisies - YouTube
Katy Perry - Firework (Official Music Video) - YouTube
Most Views In A Single Day Of Katy Perry Music Videos - YouTube
Katy Perry conquista un primato mondiale su Youtube | Radio Bruno
Katy Perry - Wide Awake (Official Video) - YouTube
Katy Perry - Chained To The Rhythm (Official) ft. Skip Marley - YouTube
Katy Perry - Not the End of the World (Official Music Video) - YouTube
Katy Perry - Roar - YouTube
With 'Bon Appétit', Katy Perry Smashes YouTube Record For Most Video Views In 24 Hours - Tubefilter
Katy Perry - Never Really Over (Official Video) - YouTube
Alesso, Katy Perry - When I'm Gone (Official Music Video) - YouTube
Katy Perry - Teenage Dream (Official Music Video) - YouTube
Katy Perry - This Is How We Do (Official) - YouTube
Katy Perry - Wide Awake (Official Video) - YouTube
Katy Perry - YouTube
Katy Perry
Extended interview: Katy Perry opens up about motherhood, life before fame and what's next - YouTube
Katy Perry - Dark Horse ft. Juicy J - YouTube
