 - Ella Henderson sings Katy Perry's Firework - Live Week 5 - The X Factor UK 2012
- Katy Perry
- 5 分 27 秒
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 - Katy Perry Performs Teenage Dream at Obama Rally
- Katy Perry
- 4 分 5 秒
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 - 2012 Katy Perry at President Obama grassroots rally Las Vegas
- Katy Perry
- 10 分 1 秒
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 - Girl With Autism & Katy Perry Duet - 'Firework'
- Katy Perry
- 2 分 24 秒
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 - Katy Perry, Jodi DiPiazza Sing at Night of Too Many Stars
- Katy Perry
- 8 分 34 秒
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 - Katy Perry Finally Ditches John Mayer After Final Straw
- Katy Perry
- 1 分 13 秒
|
 - Celebrity Halloween Fashion: Party Looks from Katy Perry & Lucy Hale!
- Katy Perry
- 3 分 47 秒
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 - Katy Perry - The Making of Katy Perry's "Wide Awake"
- Katy Perry
- 20 分 45 秒
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 - Katy Perry: Part of Me
- Katy Perry
- 93 分 34 秒
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 - Katy Perry - Part Of Me (Cover by Crystalyne)
- Katy Perry
- 3 分 13 秒
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 - Robert Pattinson Leans On Katy Perry - Kristen Stewart Cheating Scandal
- Katy Perry
- 1 分 56 秒
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 - New interview: Katy Perry thanks fans at Part Of Me premiere in Brazil
- Katy Perry
- 1 分 6 秒
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 - To Katy Perry
- Katy Perry
- 1 分 9 秒
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 - Katy Perry Performs "Wide Awake"
- Katy Perry
- 3 分 44 秒
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 - Katy Perry - #VEVOCertified, Pt. 5: Katy Superfans
- Katy Perry
- 1 分 36 秒
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 - Katy Perry - #VEVOCertified, Pt. 4: Katy's Favorite Video
- Katy Perry
- 1 分 1 秒
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 - Katy Perry - #VEVOCertified, Pt. 2: Katy On Making Music Videos
- Katy Perry
- 2 分 25 秒
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 - Katy Perry - #VEVOCertified, Pt. 1: Award Presentation
- Katy Perry
- 2 分 27 秒
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 - Katy Perry - #VEVOCertified, Pt. 3: Katy Talks About Her Fans
- Katy Perry
- 1 分 30 秒
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 - A Look Inside Katy Perry's Private Life in New Movie 'Part of Me'
- Katy Perry
- 5 分 36 秒
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![Katy Perry: Part of Me Movie Clip "Grandma" Official 2012 [1080 HD]](http://i.ytimg.com/vi/vFhVxDH1kms/1.jpg "Katy Perry: Part of Me Movie Clip \"Grandma\" Official 2012 [1080 HD]") - Katy Perry: Part of Me Movie Clip "Grandma" Official 2012 [1080 HD]
- Katy Perry
- 1 分 2 秒
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 - The Soup's "Katy Perry: Part of Me" Trailer
- Katy Perry
- 2 分 3 秒
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 - Katy Perry - Wide Awake
- Katy Perry
- 4 分 37 秒
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 - Katy Perry - Wide Awake (Live at MuchMusic Video Awards 2012) MMVA'S Alternative Version - HD
- Katy Perry
- 5 分 34 秒
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 - Katy Perry - Wide Awake (Live MMVA 2012) #74
- Katy Perry
- 4 分 19 秒
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 - Katy Perry - Wide Awake (Trailer)
- Katy Perry
- 1 分 22 秒
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 - Katy Perry - Part of Me 3D (Movie Clip #3) 2012
- Katy Perry
- 48 秒
|
 - Nessa Interviews Katy Perry At The Pool Party 03/06/2012
- Katy Perry
- 3 分 46 秒
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 - MW3 - Having Fun with Strangers #15 (Katy Perry's Cat!)
- Katy Perry
- 5 分 25 秒
|
 - Katy Perry Goes Makeup-Free
- Katy Perry
- 1 分 5 秒
|
 - Katy Perry - Wide Awake,DJ Salman Mix
- Katy Perry
- 3 分 33 秒
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 - Katy Perry - Wide Awake Lyrics NO PITCHED VOICE !
- Katy Perry
- 3 分 49 秒
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 - Katy Perry - Wide Awake (Live at 2012 Billboard Music Awards)
- Katy Perry
- 4 分 2 秒
|
 - Katy Perry - Wide Awake (Lyric Video)
- Katy Perry
- 3 分 47 秒
|
 - Katy Perry - Wide Awake (Xilent Remix)
- Katy Perry
- 5 分 12 秒
|
 - Russell Brand on Katy Perry
- Katy Perry
- 2 分 38 秒
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 - Katy Perry Dating Florence and Machine Guitarist Robert Ackroyd
- Katy Perry
- 1 分 2 秒
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 - Katy Perry and friends singing/dancing to "Call Me Maybe"
- Katy Perry
- 3 分 10 秒
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 - Katy Perry - Thinking Of You (Extended Video)
- Katy Perry
- 5 分 23 秒
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 - Katy Perry: Part of Me 3D Official Trailer
- Katy Perry
- 2 分 7 秒
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