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).

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Katy Perry's new single "Roar" has been released, and comes with a lyric video that iPhone-obsessed, emoticon lovers everywhere will appreciate.

Below, the cutesy graphic symbols - staples of the Emoji keyboard - help spell out the cheesy, uplifting lyrics on the screen of the singer's iPhone.

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Beware, radio listeners. There's a "tiger on the loose."

So Katy Perry Tweeted this weekend after the first single off her upcoming album leaked online a couple days earlier than expected.

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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 »
Born
Birthplace
Santa Barbara, California
Full Name
Katheryn Elizabeth Hudson