Demi Lovato - Here We Go Again ft. Katy Perry - Music Video (HD)
Adam Lambert, Demi Lovato & Lea Michele - Roar by Katy Perry
Katy Perry - Unconditionally (Official)
Clean Bandit - Solo (feat. Demi Lovato) [Official Video]
Demi Lovato - Heart Attack (Official Video)
Katy Perry - Wide Awake (Official Video)
Demi Lovato VS. Katy Perry - Heart Attack & E.T. Mashup
Alesso, Katy Perry - When I'm Gone (Official Music Video)
Demi Lovato - Really Don't Care ft. Cher Lloyd (Official Video)
Katy Perry - Part Of Me (Official)
Katy Perry - Unconditionally Letting Go Ft. Demi Lovato - Katycats in Action
Demi Lovato - Confident (Official Video)
The One that was Cool for the Summer || Demi Lovato ft. Katy Perry Mashup
Demi Lovato - Let It Go (from "Frozen") (Official Video)
Demi Lovato - Really Don't Care ft. Cher Lloyd (Official Lyric Video)
Katy Perry - E.T. ft. Kanye West (Official Music Video)
Katy Perry - Dark Horse ft. Juicy J
Demi Lovato & Katy Perry - Part Of Me Myselft & Time (Mashup DJ Jhoan)
Katy Perry - Hot N Cold (Official Music Video)