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Pretty Little Liars: Original Sin: Who Is "A"?

The Identity of "A" Was Finally Revealed in the "PLL: Original Sin" Season Finale

Pretty Little Liars: Original Sin: Who Is "A"?
Image Source: HBO

"Pretty Little Liars: Original Sin" puts a brand-new group of Liars front and center as they're terrorized by a reimagined "A" in the reboot of Freeform's "Pretty Little Liars," which ran for seven seasons from 2010 to 2017. From the creators of "Chilling Adventures of Sabrina" and "Riverdale," the HBO Max revival upped the ante by introducing a darker and gorier twist on the original drama (and its two short-lived spinoffs, "Ravenwood" and "Pretty Little Liars: The Perfectionists").

Throughout the seven seasons of "Pretty Little Liars," many characters take on the mantle of the notorious villain. While several characters assist "A" by joining the A-Team over the years, there are mainly three people who led the twisted games in the end.

With each passing episode of "PLL: Original Sin," the puzzle pieces leading to the reveal of the big bad behind the string of bloody murders and threats against the Liars create a more frightening picture than the original series, and the ultimate reveal did not disappoint. Continue reading to find out who was behind A's mask, and all the fake-outs that kept fans guessing until the very end.

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