Katy Perry - #VEVOCertified, Pt. 8: Last Friday Night (Fan Lip Sync Version)

Katy Perry - #VEVOCertified, Pt. 8: Last Friday Night (Fan Lip Sync Version)

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

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

Katy Perry - #VevoCertified, Pt. 6: Fans On Their Favorite Katy Videos

Katy Perry - #VevoCertified, Pt. 6: Fans On Their Favorite Katy Videos

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

Katy Perry - #VevoCertified Pt. 1: Award Presentation

Katy Perry - #VevoCertified Pt. 1: Award Presentation

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

Katy Perry - #VEVOCertified, Pt. 2: Katy On Making Music Videos

Katy Perry - #VEVOCertified, Pt. 2: Katy On Making Music Videos

Katy Perry - #VevoCertified, Pt. 3: Katy Talks About Her Fans

Katy Perry - #VevoCertified, Pt. 3: Katy Talks About Her Fans

Katy Perry - Wide Awake (Official Video)

Katy Perry - Wide Awake (Music Video Trailer)

Katy Perry - Wide Awake (Music Video Trailer)

Katy Perry - Wide Awake (Lyric Video)

Katy Perry - Wide Awake (Lyric Video)

Katy Perry - Part Of Me Theatrical Trailer