Ke$ha VS. Katy Perry - Tik Tok, California Gurls, Die Young (Mashup)
Ke$ha vs Katy Perry - Tik Tok Gurls (2Vegas Remix)
Kesha ft. Katy Perry - True Love (Lyrics)
Katy Perry "California Gurls" VS. Ke$ha "TiK ToK" (Mashup)
Ke$ha vs. Katy Perry (Hot and Cold, Tik Tok Mashup)
Ke$ha VS Katy Perry
Katy Perry Vs. Ke$ha - I Kissed A Tik Tok Girl
Ke$ha - We R Who We R (Official Video)
Ke$ha vs. Katy Perry - Last Friday Night/Tik Tok (T.G.I.F.) (Stelmix 4' Mashup)
Katy Perry VS Kesha FEUD (& the Dr LUKE of it All) PSYCHIC READING
Ke$ha vs. Katy Perry (California Tik Tok Gurls)
Katy Perry vs Kesha LIVE VOCAL BATTLE (Bb4 - F5)
Ke$ha vs Katy Perry - We R Friday Night (T.G.I.$)
▶ Extraterrestrial Cannibal Katy Perry Ke$ha Mashup YouTube 360p
C'Mon, Get Away - Ke$ha VS Katy Perry (Mashup)
California Gurls (Katy Perry) ft. TiK ToK (Ke$ha) Mash-up with Lyrics
Hot N Cold On the Clock: Ke$ha vs. Katy Perry
Example vs Ke$ha vs Katy Perry - California Love Kickstarts My Drug Mash-Up
Ke$ha vs. Katy Perry - We R all Fireworks