Credit: Cindy Ord/Getty Images file

Kelly Clarkson has been singing covers of slam dunk songs, including Rihanna’s “Stay” and Nick Jonas’ “Jealous,” on her most recent tour, and while performing in Buffalo, New York, she brought it back to the ’90s and sang *NSYNC’s “Bye Bye Bye.” She gave it an acoustic update and — fun times! — performed barefoot.

See some fan-shot footage: