Kelly Clarkson at the American Music Awards: All This Jazz

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Give us Kelly Clarkson standing at a microphone, simply singing, and we'd be thrilled. The original American Idol possesses that kind of sheer talent.

But the artist took to the stage at last night's American Music Awards in a shiny, beautiful dress and was flanked by a series of brass instruments, along with back-up dancers that took their cue from the early 20th century musical Newsies.

It was a fun, jazzy rendition of "Mr. Know It All" that still showcased Clarkson's incredible voice. Watch for yourself now:

Other performers at the event includes Justin Bieber (HERE) and Jennifer Lopez (HERE).

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