To the untrained (AKA childless) eye, a lot of babies basically look the same. But you should still be able to tell your baby apart from someone else's. Right?
That's what TikTok user Kat (@katstickler) wanted to figure out when she played a prank on then-husband, Mike. She quite literally swapped their baby, MK, with a friend's baby, just to see if he'd notice.