Katy Perry - Swish Swish (Official) ft. Nicki Minaj - YouTube
Katy Perry - The One That Got Away (Official Music Video) - YouTube
Katy Perry - YouTube
Katy Perry To Stream Live On YouTube For 4 Straight Days In Celebration Of New Album - Tubefilter
Katy Perry - Making of the "Roar" Music Video - YouTube
Allah Symbol in Katy Perry Video
Katy Perry Calls Russell Brand the 'Perfect' Partner in YouTube Interview – Billboard
Katy Perry - Wide Awake (Official Video) - YouTube
With 'Bon Appétit', Katy Perry Smashes YouTube Record For Most Video Views In 24 Hours - Tubefilter
Katy Perry - Topic - YouTube
The YouTube Interview with Katy Perry - YouTube
Katy Perry on one of the biggest challenges of being a new mum
Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video) - YouTube
Katy Perry's 'Wide Awake' Video Exceeds 1 Billion Views On YouTube
Katy Perry's Dark Horse is most watched video of 2014 - BBC News
Katy Perry's 'Teenage Dream' Songs, Ranked
Katy Perry Films Live Concert Special For YouTube!: Photo 3895466 | James Corden, Katy Perry Photos | Just Jared: Entertainment News
Katy Perry - Never Really Over (Official Video) - YouTube
Katy Perry - Hot N Cold (Official) - YouTube
Katy Perry Extends Record As Act With Most Youtube Videos With Over 500M Views - That Grape Juice
Katy Perry - Not the End of the World (Official Music Video) - YouTube
Katy Perry - Roar - YouTube
Katy Perry - Dark Horse ft. Juicy J - YouTube
Katy Perry - Dark Horse ft. Juicy J - YouTube
