Dark Horse (Ft . Juicy J) - Katy Perry

Dark Horse (Ft . Juicy J)

Who You Love (Ft. Katy Perry)

Unconditionally

'Unconditionally' Video Expresses Power Of Love And Beauty

Katy Perry Takes A 'Realistic' Approach To Songwriting

Katy Perry's Tour Is Like 'Road Tripping With You Friends'

Katy Perry Has A 'Goose Bumps Test' For New Songs

Katy Takes On A Rap-Fire Round Of Random Questions

Katy Perry Feels Most Empowered When She's Katheryn Hudson

Unconditionally (Lyric Video)

Roar

Roar (Live)

Roar (Lyric Video)

What's Next For Katy Perry?

Wide Awake

Exclusive 'Part Of Me' Clip

'Wide Awake' Teaser Trailer

Katy Perry Most 'Vulnerable' In 'Part Of Me'

Katy Perry: Part Of Me 3D - Trailer 2

Katy Perry: Part Of Me 3D - Trailer 1

Part Of Me

The One That Got Away

Making of Last Friday Night

Hot N Cold - Live in Japan

Katy Perry Reacts To Her 9 VMA Nominations

Katy Perry Compliments VMAs 'Crazy' History, Reveals Best Collabo Nods

Katy Perry Tells 'Best New Artist' Nominees To 'Believe In Yourself'

Katy Perry And Sway Compliment Those Who Make Music Videos Happen

Katy Perry Reacts To Her 9 VMA Nominations

Katy Perry : California Gurls, live

E.T.

California Gurls (Live)

Firework

Firework

I Kissed A Girl (Live)

Last Friday Night (T.G.I.F.)

Katy Perry Brings 'E.T.' And Kanye West To 'Idol' Stage

E.T. (Ft. Kanye West)

Making of Firework

Firework - Live in Madrid, Spain

I Kissed a Girl (Live)

California Gurls (EMA 2010 Performance)

Firework (EMAs 2010 Performance)

Firework

Teenage Dream Remix (Video)

Firework (Lyric Video)

Katy Perry's Elmo Skit Dropped From 'Sesame Street'

Teenage Dream - Live in Malaysia - World Stage

California Gurls - Live in Malaysia - World Stage

Teenage Dream (Director's Cut)

Teenage Dream

'California Gurls (Live)'

California Gurls (Ft. Snoop Dogg)

30 Second Sneak Peek: Katy Perry's 'California Gurls'

Thinking Of You (Extended Version)

Waking Up In Vegas (Manhattan Clique Remix)

I Kissed a Girl (Live)

Growing Up

Ur So Gay (Live)

Waking Up in Vegas (Live)

Hackensack (Live)

Brick By Brick (Live)

Thinking of You (Live)

Lost (Live)

I Kissed a Girl (Live)

Waking Up in Vegas | Behind The Scenes - Part 2

Waking Up In Vegas

Waking Up in Vegas | Behind The Scenes - Part 1

Hot N Cold - Live in Barcelona, Spain

One of the Boys - Live in Barcelona, Spain

Fingerprints - Live in Barcelona, Spain

I Kissed a Girl - Live in Barcelona, Spain

Thinking Of You

Hot N Cold

I Kissed A Girl