Special airs Oct. 23 -- and we can see the crew pulled out all the stops for costume party on the ''A'' train
Pretty Little Liars live tweet chat! Janel Parrish (@JMeilanixo) will be taking your questions right after Halloween special airs on Oct. 23 at 9 p.m. ET! Use #AskPLL to follow along!
Image Credit: Eric McCandless/ABC Family
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