Katy Perry Joins James Corden For 'Carpool Karaoke' & Opens Up About Taylor Swift (WATCH)

As Katy Perry gets ready for her new album to drop, she joined James Corden on the 'Late Late Show' for some 'Carpool Karaoke'! 

 

She also opened up about her beef with Taylor Swift. 

Turns out it really was about backup dancers. 


 

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