Ke$ha "Tick Tock" vs Katy Perry "Calafornia Girls"

Katy and Ke$ha Mash-up

If the photo on the left is anything to go on then super tramp Ke$ha's and kooky Katy Perry are firm friends in real life. So while we wait for the pair to duet in real life we have Dj Dizhe to thank for a virtual collaboration.

Listen below as Ke$ha's Tick Tock vocals are mixed with the audio, and chorus, of Katy Perry's California Girls in this summery Diva Mash-up!