The crossover we never knew we needed.

Katy Perry and The Kardashians!!! 

Turns out Kim Kardashian is a HUGE Katy Perry fan. 

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A post shared by KATY PERRY (@katyperry)

Kim was at Katy's recent show 'PLAY' where she went backstage to sing the pop star's praises.

Kim wasn't the only fan there, as was North, Kim and Kanye's daughter. 

Katy invited North up on stage.

Watch the video here:

North West Joins Katy Perry on stage in Vegas. pic.twitter.com/KziZajg3kc

— Pop Crave (@PopCrave) April 16, 2023