Who Dies in PLL's Halloween Episode?

Lucy Hale, (Shay Mitchell, Ashley Benson and Troian Bellisario pose with Adam Lambert in this new behind-the-scenes pic from the Pretty Little Liars Halloween special.

“We have some HUGE news for you today, Liars,” the network teased fans on the website. “With the ALL NEW Halloween special less than two weeks away, it’s the perfect time to share the most spine-chilling detail of all. Someone DIES during the episode — and that person is pictured in the photo above!! And that’s not all. Get ready for a startling revelation. Someone you know very well may have had a secret past with Ali!”

In “This Is A Dark Ride,” Aria (Hale), Emily (Mitchell), Hanna (Benson) and Spencer (Bellisario) are looking forward to some good old Halloween fun now that the traumatic events with Nate are behind them.

But once aboard the Rosewood Ghost Train, the girls are in for much more than just some childish trick or treats. With “A” running amuck and unexpected party-goers popping up at every turn, this Halloween event becomes one killer party.

WHO DO YOU THINK will die on the “A” train?

“This Is a Dark Ride” premieres Tuesday, October 23rd @8PM ET/PT on ABC Family. 25+ pics inside…