Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video) - YouTube
Katy Perry's Music Video Evolution – Rolling Stone
Best Katy Perry Music Videos of All-Time; 5 of Her Most Fun Visuals Ever
We break down Katy Perry's video for Chained to the Rhythm - BBC News
VIDEO: 500 Million Katy Perry Fans Can't Be Wrong – The Hollywood Reporter
Katy Perry's "This Is How We Do" Debuts: Watch Now! - E! Online
Katy Perry pokes fun at viral eye twitch video: "Come see my broken doll eye party trick"
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 Teases "Dark Horse" Music Video - E! Online
Katy Perry shares animated final video for her song Smile | Daily Mail Online
Katy Perry Addresses Viral "Robot" Eye Twitching Video
Katy Perry - Roar (Official) - YouTube
Katy Perry - California Gurls (Official Music Video) ft. Snoop Dogg - YouTube
Which of Katy Perry's Iconic Music Video Looks Would you Rock?
Go Behind the Scenes of Katy Perry's "Roar"! - E! Online
Katy Perry - This Is How We Do (Official) - YouTube
Katy Perry-Obsessed Aliens Make Common Terrestrial Error in Bizarre New Music Video | LBBOnline
Katy Perry Teases "Dark Horse" Music Video - E! Online
Katy Perry - Dark Horse (Official) ft. Juicy J - YouTube
Katy Perry - Hot N Cold (Official) - YouTube
