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Game of Thrones star Maisie Williams drops big spoiler on Jimmy Fallon

Actress lists Arya Stark's top five moments, and then things get messy for April Fools' Day.

Gael Cooper
CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The Totally Sweet '90s." She's been a journalist since 1989, working at Mpls.St.Paul Magazine, Twin Cities Sidewalk, the Minneapolis Star Tribune, and NBC News Digital. She's Gen X in birthdate, word and deed. If Marathon candy bars ever come back, she'll be first in line.
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Gael Cooper

Maisie Williams, who plays Arya Stark on HBO's Game of Thrones, knows not to give away the plot of the show's long-awaited final season. But then again, she's only 21, and actresses make mistakes.

Williams, sporting some pink cotton-candy hair, appeared on The Tonight Show Starring Jimmy Fallon on Monday night and revealed her top five moments playing Arya. No surprises there: dad Ned's death, reuniting with Sansa, that kind of thing. 

But when Fallon nudged her for a real spoiler, Williams appeared to deliver on a whopper. But watch the whole thing and remember Monday's date, April 1. 

Game of Thrones returns to HBO on April 14.

Game of Thrones stars, from season 1 through today

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