Can’t blame them, really. John Legend will do that to you.
Justin Bieber / Instagram / Via VideoIncredibili / ://youtube.com
Justin begins this celebration of intertwined bodies by doing a standing sit-up, which is both impressive AND painful-looking.
All of the sudden, without warning, he spins Selena against the wall.
THEN, in an unexpected twist, she unmounts him like a horse.
Oh, you didn't know horses could unmount? Well. They can, probably.
