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    Katy Perry - #VEVOCertified, Pt. 11: E.T. (Katy Commentary)

  2. 25 Thumbnail

    #VEVOCertified, Pt. 12: The One That Got Away (Katy Comme...

  3. 26 Thumbnail

    #VEVOCertified, Pt. 13: Teenage Dream (Katy Commentary)

  4. 27 Thumbnail

    #VEVOCertified, Pt. 9: Firework (Katy Commentary)

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    #VEVOCertified, Pt. 10: Last Friday Night (T.G.I.F.) (Kat...

  6. 29 Thumbnail

    Katy Perry - #VEVOCertified, Pt. 7: Katy on California Gurls

  7. 30 Thumbnail

    #VEVOCertified, Pt. 8: Last Friday Night (Fan Lip Sync Ve...

  8. 31 Thumbnail

    #VEVOCertified, Pt. 6: Fans On Their Favorite Katy Videos

  9. 32 Thumbnail

    Katy Perry - #VEVOCertified, Pt. 5: Katy Superfans

  10. 33 Thumbnail

    Katy Perry - #VEVOCertified, Pt. 4: Katy's Favorite Video

  11. 34 Thumbnail

    Katy Perry - Wide Awake

  12. 35 Thumbnail

    Katy Perry - Wide Awake (Trailer)

  13. 36 Thumbnail

    Katy Perry - Wide Awake (Lyric Video)

  14. 37 Thumbnail

    Katy Perry - Thinking Of You (Extended Video)

  15. 38 Thumbnail

    Katy Perry - Part Of Me Theatrical Trailer

  16. 39 Thumbnail

    Katy Perry - Dressin' Up (Lyric Video)

  17. 40 Thumbnail

    Katy Perry - Tommie Sunshine's Megasix Smash-Up

  18. 41 Thumbnail

    Katy Perry - Waking Up In Vegas (Manhattan Clique Remix)

  19. 42 Thumbnail

    Katy Perry - Part Of Me

  20. 43 Thumbnail

    Katy Perry - Part Of Me (Trailer)

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    Katy Perry - Part Of Me (Lyric Video)

  22. 45 Thumbnail

    Katy Perry - The One That Got Away (Making Of)

  23. 46 Thumbnail

    Katy Perry - The One That Got Away

  24. 47 Thumbnail

    Katy Perry - The One That Got Away (Trailer)

  25. 48 Thumbnail

    Katy Perry - The One That Got Away (Audio)

  26. 49 Thumbnail

    Katy Perry - Making of Last Friday Night

  27. 50 Thumbnail

    Katy Perry - Uncle Kenny

  28. 51 Thumbnail

    Katy Perry - Jocks

  29. 52 Thumbnail

    Katy Perry - Last Friday Night (T.G.I.F.)

  30. 53 Thumbnail

    Katy Perry - 8th Grade is STILL Weird

  31. 54 Thumbnail

    Katy Perry - The Love of Everett McDonald's Life

  32. 55 Thumbnail

    Katy Perry - Get off me Everett!

  33. 56 Thumbnail

    Katy Perry - I go for Steve Johnson

  34. 57 Thumbnail

    Katy Perry - Nobody Likes Kathy Beth Terry on Facebook

  35. 58 Thumbnail

    Katy Perry - E.T. ft. Kanye West

  36. 59 Thumbnail

    Katy Perry - E.T. (Audio)

  37. 60 Thumbnail

    Katy Perry - Making of Firework

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    2010 Red Carpet Interview (American Music Awards)

  39. 62 Thumbnail

    Katy Perry - Firework (Trailer)

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    Katy Perry - Firework

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    Katy Perry - Teenage Dream (Remix)

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    Katy Perry - I Kissed A Girl (Live on Letterman)

  43. 66 Thumbnail

    Katy Perry - Firework (Live on Letterman)

  44. 67 Thumbnail

    Katy Perry - Teenage Dream (Live on Letterman)

  45. 68 Thumbnail

    Katy Perry - Thinking Of You (Live on Letterman)

  46. 69 Thumbnail

    Katy Perry - Hot N Cold (Live on Letterman)

  47. 70 Thumbnail

    Katy Perry - California Gurls (Live on Letterman)

  48. 71 Thumbnail

    Katy Perry - Waking Up In Vegas (Live on Letterman)

  49. 72 Thumbnail

    Katy Perry - Peacock (Live on Letterman)

  50. 73 Thumbnail

    Katy Perry - Firework (Lyric Video)

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    Katy Perry - Teenage Dream (Director's Cut)

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    Katy Perry - The Making of "California Gurls"