Kelly Clarkson performed "Whole Lotta Woman" on Oct. 31, 2017 on "The Tonight Show Starring Jimmy Fallon."

Kelly Clarkson performed "Whole Lotta Woman" on Oct. 31, 2017 on "The Tonight Show Starring Jimmy Fallon."

NBC/Andrew Lipovsky

Kelly Clarkson is a singing superhero and she proved it Tuesday night on The Tonight Show by singing one of her biggest hits, "Gone Been You Since." 

Well, that was the song's name after she sang "Since U Been Gone" backwards at the urging of host host Jimmy Fallon during a laughter-filled interview. Of course, he got the idea from YouTube.

Kelly talked about the first time she met Fallon and her upcoming debut next year as a judge on The Voice, including how judge and friend Blake Shelton is already talking  trash. She was a mentor on Monday night's Voice.

"On our season, it's Adam, Blake and Alicia, and they're always quick to point out that they've all won," the very first American Idol winner said. "And I'm like, 'So have I'."

She later sang the foot-stomping, sure-to-become-a-soul-anthem "Whole Lotta Woman," which proclaims among other things that "Texas women do it bigger." It brings to mind "Gimme" by Jill Scott and the character Foxy Cleopatra (played by Beyonce in Austin Powers: Goldmember).

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