And the ringleader of Scream Queens' red Devil posse is...

MAJOR SPOILER ALERT

Hester (Lea Michele)!

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The neck-brace wearing Chanel started off the season looking like a fresh-faced college newbie, but the claws quickly came out. While her disturbing interest in necrophilia freaked out everyone save for a like-mined Chad, Hester quickly knocked down her naysayers by quickly rising through the ranks of Kappa Kappa Tau.

Dubbed Chanel No. 6, Hester certainly had a knack for evil, but few realized she was both Boone's twin and the mastermind behind the Red Devil reign of terror.

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Don't feel bad if you didn't connect the dots. Neither did Michele.

"It was so funny because, throughout the whole season, everyone was like, 'Do you know?' And I was like, 'No!'" Michele told Us Weekly. "And we honestly didn't, and it wasn't until that final episode, and I was like, 'Oh, my god.'"

The former Glee star had one fear, however, as filming began for the season finale.

"I was like, 'I am happy ... but I just want to make sure I get away with it!'" Michele revealed. "And he was like, 'You do - it's fine.' So then I got excited about it."

And get away with it she did. Dean Munsch is the only one who knows the truth, and a little bit of mutual blackmail should keep both parties quiet for he foreseeable future.

Now all we want to know is what Ryan Murphy have planed for a potential second season...