Ke$ha VS. Katy Perry - Tik Tok, California Gurls, Die Young (Mashup)
Katy Perry VS Kesha FEUD (& the Dr LUKE of it All) PSYCHIC READING
Katy Perry vs Kesha - Dark Horse Blows (Mensepid Mashup Video)
Kesha ft. Katy Perry - True Love (Lyrics)
Katy Perry vs Kesha LIVE VOCAL BATTLE (Bb4 - F5)
wtf was Katy Perry thinking?!?!
▶ Extraterrestrial Cannibal Katy Perry Ke$ha Mashup YouTube 360p
Extraterrestrial Cannibal (More Kesha Version) | Katy Perry and Kesha [mashup edit]
Katy Perry "California Gurls" VS. Ke$ha "TiK ToK" (Mashup)
Katy Perry - Last Friday Night (T.G.I.F.) (Official Music Video)
Katy Perry vs. Kesha vs. Lady Gaga - Don't stop california gurls, just dance (guii220 D.edit)
The Inevitable Evisceration of Katy Perry
Katy Perry vs. Kesha - Crazy Kids/Dark Horse (Mashup)
Kesha VS Britney Spears VS Beyoncé - Drop Deads Blow The World | theDreamerL MashUp
WATCH: Kesha Denies Dr. Luke Sexual Assault in Excerpt From 2011 Deposition Video
Kesha REVEALS Katy Perry Was a Victim Of Dr. Luke in Texts to Lady Gaga?
Katy Perry BETRAYS Friend Kesha!
Kesha & Katy Perry - I Kissed A Woman (Mashup)
✧ California Gurls x TiK ToK (Mashup) Katy Perry & Kesha ✧
Kesha vs Bieber vs Lady Gaga vs Katy Perry in THE KEY OF AWESOME MEGA MIX