"Roar," Katy Perry. 凱蒂·佩芮

Singer Katy Perry performs "Roar" during the release party of her album "Prism" at the iHeartRadio Theater Los Angeles in Burbank, California, Oct. 22, 2013.
October 23, 2013  http://www.voanews.com/media/photogallery/1775501.html

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