Katy Perry sings Yesterday

Katy Perry chante son tube "Teenage Dream" en live

Katy Perry - The One That Got Away (Radio Edit)

Katy Perry - Not the End of the World

Cover de Katy Perry canta California Gurls

Katy Perry - Rise - Official Music Video

Katy Perry - Swish Swish (Live on The Voice Australia)

Katy Perry Performing Roar at Grammys 2014

Katy Perry - Shooting GQ US

Katy Perry performs Live ROAR on Saturday Night Live 10122013

The X Factor UK 2012 Ella Henderson performing Firework by Katy Perry Live Week 5

Katy Perry - LIFETIMES (Official Video)

Katy Perry - Rise (NBC Olympics official video)

Katy Perry - Not the End of the World (Clip)

Katy Perry Addresses Her Viral Eye-Glitching Moment

Katy Perry a voulu en finir

Katy Perry Roar Official Lyric Video HD

Katy Perry - Rise (Official Music Video Trailer)

Katy Perry ft Skip Marley - Chained to The Rhythm ( Official)

Katy Perry - Peacock - Album Chart Show Special

Katy Perry - California Girls ( MTV World Stage 2010)

Katy Perry Birthday Official Lyric Video

Katy Perry Unconditionally American Music Awards 2013

Katy Perry - WOMAN’S WORLD (Official Video)

The X Factor UK 2013 The Final 11 sing Roar by Katy Perry Live Final Week 10

Katy Perry FAILs at Playing FluteRecorder