We don't have to tell you that Bruno Mars is a total heartthrob. His songs are love anthems, his dance moves are unparalleled, and he flaunts his Puerto Rican roots just as abuela would love for you to do.
Turns out, the singer was just as much of a catch back in high school as he is now.
If the tune sounds familiar, you must be a '90s baby because it's K-Ci & JoJo's 1997 hit, "All My Life."
Unfortunately for us, Mars didn't since along while playing piano, but he did show us exactly how he works his magic.
He pretends to play all coy and shy to the camera, as if he didn't know in high school he'd be a musical prodigy.
"Just playin' around," Mars jokes at the end of the video. "Self taught..."