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

  2. 27 Thumbnail

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

  3. 28 Thumbnail

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

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

  5. 30 Thumbnail

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

  6. 31 Thumbnail

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

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

  8. 33 Thumbnail

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

  9. 34 Thumbnail

    Katy Perry - Wide Awake

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    Katy Perry - Wide Awake (Trailer)

  11. 36 Thumbnail

    Katy Perry - Wide Awake (Lyric Video)

  12. 37 Thumbnail

    Katy Perry - Thinking Of You (Extended Video)

  13. 38 Thumbnail

    Katy Perry - Part Of Me Theatrical Trailer

  14. 39 Thumbnail

    Katy Perry - Dressin' Up (Lyric Video)

  15. 40 Thumbnail

    Katy Perry - Tommie Sunshine's Megasix Smash-Up

  16. 41 Thumbnail

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

  17. 42 Thumbnail

    Katy Perry - Part Of Me

  18. 43 Thumbnail

    Katy Perry - Part Of Me (Trailer)

  19. 44 Thumbnail

    Katy Perry - Part Of Me (Lyric Video)

  20. 45 Thumbnail

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

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    Katy Perry - The One That Got Away

  22. 47 Thumbnail

    Katy Perry - The One That Got Away (Trailer)

  23. 48 Thumbnail

    Katy Perry - The One That Got Away (Audio)

  24. 49 Thumbnail

    Katy Perry - Making of Last Friday Night

  25. 50 Thumbnail

    Katy Perry - Uncle Kenny

  26. 51 Thumbnail

    Katy Perry - Jocks

  27. 52 Thumbnail

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

  28. 53 Thumbnail

    Katy Perry - 8th Grade is STILL Weird

  29. 54 Thumbnail

    Katy Perry - The Love of Everett McDonald's Life

  30. 55 Thumbnail

    Katy Perry - Get off me Everett!

  31. 56 Thumbnail

    Katy Perry - I go for Steve Johnson

  32. 57 Thumbnail

    Katy Perry - Nobody Likes Kathy Beth Terry on Facebook

  33. 58 Thumbnail

    Katy Perry - E.T. ft. Kanye West

  34. 59 Thumbnail

    Katy Perry - E.T. (Audio)

  35. 60 Thumbnail

    Katy Perry - Making of Firework

  36. 61 Thumbnail

    2010 Red Carpet Interview (American Music Awards)

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    Katy Perry - Firework (Trailer)

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    Katy Perry - Firework

  39. 64 Thumbnail

    Katy Perry - Teenage Dream (Remix)

  40. 65 Thumbnail

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

  41. 66 Thumbnail

    Katy Perry - Firework (Live on Letterman)

  42. 67 Thumbnail

    Katy Perry - Teenage Dream (Live on Letterman)

  43. 68 Thumbnail

    Katy Perry - Thinking Of You (Live on Letterman)

  44. 69 Thumbnail

    Katy Perry - Hot N Cold (Live on Letterman)

  45. 70 Thumbnail

    Katy Perry - California Gurls (Live on Letterman)

  46. 71 Thumbnail

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

  47. 72 Thumbnail

    Katy Perry - Peacock (Live on Letterman)

  48. 73 Thumbnail

    Katy Perry - Firework (Lyric Video)

  49. 74 Thumbnail

    Katy Perry - Teenage Dream (Director's Cut)

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    Katy Perry - The Making of "California Gurls"