 - Firework - Katy Perry (cover)
- Katy Perry
- 7 分 54 秒
|
 - 7 year old raps for Katy Perry - "Firework" (Celebrity Mashup)
- Katy Perry
- 3 分 35 秒
|
 - Katy Perry - Firework
- Katy Perry
- 3 分 58 秒
|
 - The Story of Katy's Project
- Katy Perry
- 3 分 2 秒
|
 - Katy Perry responds: Have changes in your life changed your writing?
- Katy Perry
- 2 分 0 秒
|
 - Russel Brand and Katy Perry's Indian wedding
- Katy Perry
- 1 分 13 秒
|
 - Russell Brand & Katy Perry won't sell wedding pics
- Katy Perry
- 1 分 30 秒
|
 - Katy Perry talks "Hummingbird Heartbeat"
- Katy Perry
- 1 分 27 秒
|
 - Katy Perry - Firework - The X Factor Results Show 2 (Full Version)
- Katy Perry
- 5 分 53 秒
|
 - Katy Perry "Firework" X Factor 2010 (Full Version) Live Results Show 2
- Katy Perry
- 5 分 49 秒
|
 - Katy Perry "Firework" Official Teaser Trailer (HD)
- Katy Perry
- 51 秒
|
 - Demi Lovato Announces American Music Awards Nominations
- Katy Perry
- 1 分 50 秒
|
 - Katy Perry responds: "Why Did You Name the Album 'Teenage Dream?'"
- Katy Perry
- 1 分 21 秒
|
 - Selena Gomez & Katy Perry Join Z100 Jingle Ball Line-up
- Katy Perry
- 1 分 27 秒
|
 - Katy Perry sings "Hot N Cold" with Elmo on Sesame Street!
- Katy Perry
- 2 分 33 秒
|
 - Katy Perry duets with Elmo on Sesame Street!
- Katy Perry
- 1 分 29 秒
|
 - Justin Bieber Meets Greyson Chance, Gets a Kiss From Rihanna & Katy Perry!
- Katy Perry
- 2 分 6 秒
|
 - Katy Perry - "Waking Up In Vegas" Dos Pueblos High 09-14-10
- Katy Perry
- 3 分 55 秒
|
 - Katy Perry responds: "How Does 'Teenage Dream' Differ from 'One of The Boys'?"
- Katy Perry
- 3 分 16 秒
|
 - Katy Perry - Teenage Dream (Director's Cut)
- Katy Perry
- 3 分 55 秒
|
 - Katy Perry talks "Peacock"
- Katy Perry
- 1 分 43 秒
|
 - Cheryl Cole and Katy Perry The X-Factor 19
- Katy Perry
- 14 分 45 秒
|
 - Usher DJ Got Us Falling In Love / Katy Perry Teenage Dream / BEP Missing You / J-Hype City Girl
- Katy Perry
- 2 分 34 秒
|
 - Katy Perry - Last Friday Night (TGIF) OFFICIAL MUSIC VIDEO
- Katy Perry
- 3 分 42 秒
|
 - Teenage Dream(With Me)
- Katy Perry
- 3 分 48 秒
|
 - The Making of Katy Perry's 'Teenage Dream' Album Packaging
- Katy Perry
- 5 分 24 秒
|
 - Katy Perry - California Gurls (Live on Letterman)
- Katy Perry
- 3 分 50 秒
|
 - 02. Katy Perry - Last Friday Night (TGIF) (FULL ALBUM UPLOADED)
- Katy Perry
- 3 分 55 秒
|
 - Me Singing "Teenage Dream" by Katy Perry
- Katy Perry
- 3 分 33 秒
|
 - Katy Perry - "Teenage Dream" parody! YOUTUBE DREAM!
- Katy Perry
- 1 分 37 秒
|
 - Katy Perry - Teenage Dream
- Katy Perry
- 3 分 50 秒
|
 - Lady Gaga scores 13 nominations for the MTV VMAs!
- Katy Perry
- 1 分 40 秒
|
 - Katy Perry - "Not Like the Movies" - Official Lyric Video
- Katy Perry
- 4 分 6 秒
|
 - Selena Gomez and Katy Perry Make Music Together on A Year Without Rain
- Katy Perry
- 1 分 14 秒
|
 - The YouTube Interview with Katy Perry
- Katy Perry
- 31 分 32 秒
|
 - Katy Perry - Teenage Dream - Official Lyric Video HD
- Katy Perry
- 3 分 49 秒
|
 - Shakira Waka Waka 3D Katy Perry California Girls Lady Gaga Alejandro Miley Cyrus Can't Be Tamed
- Katy Perry
- 10 分 52 秒
|
 - Chris Moyles Parody - Wolverhampton Girls Katy Perry
- Katy Perry
- 3 分 52 秒
|
 - Katy Perry talks about Russell Brand - The Graham Norton Show - BBC One
- Katy Perry
- 1 分 17 秒
|
 - Katy Perry-Californa Gurls (piano cover)
- Katy Perry
- 3 分 40 秒
|
