Explaining on Instagram: "One of the most unforgettable late-night pranks happened when Maisie Williams appeared on The Tonight Show and casually acted like she had just spoiled Game of Thrones. 😳📺 While chatting with Jimmy Fallon, she suddenly froze, looked panicked, and said she thought she had revealed Arya Stark’s fate. The tension felt real, the audience gasped, and Jimmy played along as if HBO was about to lose its mind. 😬🔥 Then the twist landed. It was all staged. The moment was a pla