If there were any doubts that Katy Perry and John Mayer are reunited and making sweet music together - literally and otherwise - consider them gone.

Their romance is immortalized in a duet they co-wrote, "Who You Love," on the singer-songwriter's new album, Paradise Valley (due out August 20).

Posted in: John Mayer

Looks like Katy Perry's got the moves like Jagger. And on Jagger.

The singer tweeted a photo of herself with the Rolling Stones frontman after she sang with the rock icon during a Rolling Stones concert in Las Vegas.

Posted in: Katy Perry

Katy Perry Biography

Katy Perry, Blonde Hair Photo
Katy Perry kissed a girl and she liked it, ladies and gentlemen. Or at least she wrote a song with those lyrics. The Californa... More »
Santa Barbara, California
Full Name
Katheryn Elizabeth Hudson