The thirty second clip shows the pontiff embracing the girl before she reaches up to take his zucchetto cap.
Took my Goddaughter to meet the pope. She stole his hat! pic.twitter.com/SdSorop3uN
— Mountain Butorac (@MountainButorac) March 22, 2017
Pope Francis laughs off the incident and is quickly given the hat back.
It's already been seen by thousands around the world.
It's the not the first hat related incident that Pope Francis has faced.
He's been photographed a number of times losing it thanks to strong winds.