The Pretty Little Liars will have to put prom on the back burner.

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Prom - it's one of the most highly anticipated nights of senior year, but the 'A' debacle may rob the Liars of yet another special memory during "FrAmed." This time, however, 'A' will get to stand by and watch as sheer panic takes care of his/her dirty work instead.

"The one normal high-school rite of passage the girls are looking forward to is in danger as Rosewood High is considering not letting the PLLs attend prom due to security issues," ABC Family teased.

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Unlike the school board, the Liars aren't quite so easily cowed. Rosewood's murderous phantom has been hounding Hanna (Ashley Benson), Aria (Lucy Hale), Emily (Shay Mitchell), and Spencer (Troian Bellisario) for the better part of their high school and, knowing the teens, they won't let 'A' keep them down - particularly not when they are so close to taking him down.

Do you think 'A' will make an appearance at Rosewood High's senior prom? Sound off in the poll below!

Catch Pretty Little Liars Tuesdays at 8 p.m. ET on ABC Family. Click the video below to see a sneak peek for the July 14 episode, "No Stone Unturned."

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ABC Family, Television, Pretty little liars