What Harry Potter Movie Fact Totally Blew Your Mind?

Bombarda our minds.

We all know the Harry Potter series is a truly magical thing.

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And while the books are obviously unbeatable, the films are incredible because of all the ~movie magic~ it took to make them perfect.

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We want you to share with us the craziest, most fascinating fact you know about the Harry Potter movies.

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Like that Voldemort's robes subtly get lighter as the films go on, symbolising the deaths of his Horcruxes and his soul fading away.

Maybe it's a bit of ~behind-the-scenes gossip~, or something technical you just found super interesting.

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Whatever it is, let us know your most magical fact in the comments, and your submission could be featured in a future BuzzFeed Community post or video!