Watch Kelly Clarkson's awesome cover of Nick Jonas' "Jealous"

Kelly Clarkson did a killer cover of Nick Jonas' hit "Jealous" last Thursday -- and people are still buzzing over it.

The "American Idol" alum, who will be touring with Jonas later this year, performed the song after receiving a request from a fan at New York City's Radio City Music Hall.

Jonas, for one, liked her rendition. He tweeted: "Loved the cover of jealous. So excited for our shows in Canada later this year!"

"Jealous" appears on Jonas' self-titled album, released last fall. He told CBS News he had an indication the track would resonate with fans, but had no idea how big it would eventually become.

"Once it was done I felt really strong about it. It kind of came out of nowhere though. It was a way for me to process something that really happened in my life, and to see how it connected with other people was an incredible thing."

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