Pop star Katy Perry has offered her condolences following the death of a 16-year-old girl whose cover of "Roar" became an Internet hit.
Cancer patient Olivia Wise became an online sensation earlier this year after a recording of her singing Perry's popular track hit the web, and the pop star was so moved, she recorded a special video message for the teen.
Wise, who was suffering from a brain tumor, passed away on Monday, and Perry was quick to remember the youngster for her bravery.
In a post on her Twitter.com page, she writes, "Olivia Wise, I can hear you singing with the angels now. Your spirit & strength has inspired me & so many others... May you rest in peace."
Below is Wise's video she recorded of her singing "Roar":
Video for mobile users: http://bit.ly/1hg0VXj
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