See Kelly Clarkson's Incredible Saturday Night Live Performance!

Entertainment Jan. 8, 2012 AT 6:59PM

The girl sure can sing! 

Kelly Clarkson gave a heartfelt performance of "Mr. Know It All" on this week's Saturday Night Live. Clad in a fitted burgundy, leopard print dress, the 29-year-old hit every note during her hit song.

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"Tonight was fun," she tweeted after her performance. "But now I'm having a glass of wine with the girls and about to go to bed. Long yet fun day."

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SNL isn't the only NBC show on Clarkson's radar. Earlier this week, The Voice announced that she and Miranda Lambert would be joining Team Blake Shelton as advisers.

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Watch Clarkson's SNL performance in the clip above!

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