The Game Of Thrones star said she was "washing [her] head with facewash" after chopping off her locks.
"I thought that Arya was queer, you know?"
The actor was cast as Arya Stark a few months after her 12th birthday in 2009.
The actor, who played Gendry, has also admitted he has "sympathy" for those upset with the final episode.
Arya Stark's big scene almost went to a different character entirely.
"I just sort of zoned out," the Arya Stark star admitted during a recent interview.
While many fans were disappointed with how things turned out, Maisie is definitely not one of them.
The singer has knocked Adele off the top of Heat magazine's Rich List.
Whether it’s Maisie Williams and Sophie Turner meeting in Game of Thrones auditions, Titanic making BFFs out of Kate Winslet and Leonardo DiCaprio, or John Travolta and his buddy Pitbull getting matching hairstyles, Hollywood has formed some of the strongest - and most unlikely - friendships.
Maisie Williams, Sophie Turner, Kit Harington and Isaac Hempstead Wright all had excellent reactions to seeing younger versions of themselves.