iHeartRadio Music Festival performer Katy Perry stopped by "Good Morning America" Friday morning, where she talked about her new video for "Roar," her collaboration with John Mayer and more.
"Roar" is Katy's 8th single to go #1, topping the charts this week. Her upcoming album, Prism, is due out October 22nd.
Check out the video below.
Katy also revealed the art for her new album on GMA. Check it out:
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