[Warning: The following stunt can be hazardous to one's health. Do not try this at home!]
This means hanging out with your friends, making funny home videos and, oh yeah, trying the infamous cinnamon challenge. In a video posted on YouTube, Williams can be seen doing the cinnamon challenge, which requires that a participant eat 1 tablespoon of cinnamon without the use of water in under 60 seconds.
So how did the girl better known to many across the world as Arya Stark fare? No spoilers here, but her reaction is definitely a memorable one:
Game of Thrones airs its Season 2 finale on Sunday at 9/8c on HBO.