The talk show host shared the stage with a saxophonist for the number.
Kelly Clarkson performed a cover of Monica's "Angel of Mine" for her latest "Kellyoke" segment.
The singer channeled the 1970s with one of the rock band's two No. 1 hits on the Hot 100.
The singer went full Whitney mode -- taking lines up the octave, sprinkling in sky-high riffs and belting long notes with show-stopping force.
