The ’Good Luck, Babe!’ singer proved why she’s the most exciting pop star of the moment during a headliner-worthy set.

Tyler even allowed himself a self-aware laugh after delivering the punch line. And while ACL Fest is the only show Tyler has played this year outside Coachella, he couldn’t have picked a more ideal place to debut the line tweak since Austin is, of course, where Tesla is headquartered.