Katy Perry - Roar (Official) - YouTube
Katy Perry Extends Record As Act With Most Youtube Videos With Over 500M Views - That Grape Juice
Katy Perry Teases "Dark Horse" Music Video - E! Online
Katy Perry shares animated final video for her song Smile | Daily Mail Online
Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video) - YouTube
Katy Perry Is a Pregnant Clown in Her 'Smile' Music Video – Watch Now! | Katy Perry, Music, Music Video, Video | Just Jared: Entertainment News and Celebrity Photos
Katy Perry - California Gurls (Official Music Video) ft. Snoop Dogg - YouTube
Katy Perry Teases "Dark Horse" Music Video - E! Online
Go Behind the Scenes of Katy Perry's "Roar"! - E! Online
Katy Perry's Top 10 Music Videos: Critic's Picks | Billboard – Billboard
Katy Perry on Daughter with Orlando Bloom and Las Vegas Residency
MTV Video Music Awards 2011: Katy Perry wins Video of the Year - nj.com
New Video: Katy Perry - 'Smile' - That Grape Juice
Katy Perry-Obsessed Aliens Make Common Terrestrial Error in Bizarre New Music Video | LBBOnline
An Ice-Cream Cone Twerks in Katy Perry's New Music Video
Katy Perry pokes fun at viral eye twitch video: "Come see my broken doll eye party trick"
Katy Perry opens up about her 'eye glitch' viral clip: Video
