The wait is almost over for Pretty Little Liars fans - 'A' true identity will be revealed before the season 7 premiere.

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The identity of Rosewood's most elusive killer has tormented both Liars and viewers alike, and now that the ABC series is gearing up for the second half of season 5, series creator Marlene King has revealed that the blood-soaked murderer will be revealed in the next season and a half.

"I think fans got a little worried when they found out that we were going seven seasons, because they thought maybe they're going to have to wait that long to find out who 'A' is, but I am promising you that you don't," King reassured views during the Oct. 21 Halloween special, "We Love You To DeAth." "The identity of Big 'A' is going to be revealed before season seven starts."

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Pretty Little Liars will return this December with its first-ever holiday episode. Click the video below to see a sneak peek for "How the 'A' Stole Christmas," and tune into ABC Family's 12 Days of Christmas to find out more.