Kelly Clarkson absolutely slays this 'NSYNC 'Bye Bye Bye' cover!

Kelly Clarkson keeps outdoing herself with these covers!

During a tour stop in Buffalo, New York, the singer decided to throw it back to 2000 and perform 'NSYNC's smash hit, "Bye Bye Bye." As is per usual for Kelly, the results were absolutely perfect!

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

What we're starting to learn is that when Kelly is behind the mic there is absolutely nothing she cannot do! From Rihanna's "B*tch Better Have My Money..."

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

To "Phantom of the Opera" with Josh Groban...

Even "Drunk in Love."

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

ESPECIALLY "Drunk in Love!"

Keep killin' it, Kelly!