Nick Jonas Loves Kelly Clarkson's Cover of 'Jealous': 'I'm a Big Fan'

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It's a cover sung so well that the original singer should be "jealous!"

But for Nick Jonas, he has nothing but love for Kelly Clarkson, who paid him the ultimate compliment by belting out his song, "Jealous," at Radio City Music Hall in New York City on July 19.

WATCH: Kelly Clarkson Covers Taylor Swift's 'Shake It Off' 

"It was an amazing cover," Jonas told ET about the American Idol alum's version at the PlentiTogether LIVE concert. "We're actually touring together later this year, so it was nice to see her throwing some love my way, and I'm a big fan myself."

The duo will tour in Canada later this year, and the 22-year-old could not be happier about it. "It's pretty exciting to get to tour with someone with a legendary voice as she has and someone with as much influence," Jonas gushed.

WATCH: Kelly Clarkson Covers Sam Smith's 'Stay With Me' 

And even though he's only met her a few times, the Jonas brother is confident that they're "going to have a really good time together."

Clarkson is no stranger to making hit cover songs! Check out the video below to see her version of  Tracy Chapman's "Give Me One Reason."

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