Katy Perry and John Mayer Duet

Katy Perry and John Mayer Declare Their Love — in a Song!

Katy Perry and John Mayer are going strong, and the two have preserved their romance in a duet featured on John's new album! We're previewing their collaboration, "Who You Love," and checking in on Katy and John's work since they both have new albums on the way. Plus, what did Katy and Rihanna get up to last night?
On Allie: J.Crew dress and Aryn K blazer

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