We all thought Tay only danced when she knew people were watching. Wrong.
"Taylor dancing before hitting the stage," the lucky fan captioned the video on Instagram. "Benefits of sitting to the side of the stage."
In the clip you totally see Tay get her dance on like no other. Seriously, she busts out some serious moves. You go girl!
Oh, and the track she's rocking out to is Fine Young Cannibals' hit single "She Drives Me Crazy". That came out in 1989, of course.