'Pretty Little Liars' Lucy Hale tweets set pics, Shay Mitchell teases first episode

Everybody's favorite teen mystery is back in production. "Pretty Little Liars" star Lucy Hale has been tweeting photos from the set and fellow star Shay Mitchell has been teasing the first episode.

Lucy tweets: "Ze always beautiful, always lovely @shaymitch" and "(Noel) and I. Such a sweetheart!", along with the accompanying pictures.

Shay tweets: "Big scenes tomorrow... you guys are going to love this episode!"

We can't wait to find out what's happening in Rosewood! 

Also, it's good to see Lucy back on the "Liars" set, as she recently was jet-setting off to Michigan to tape a cameo for the 2011 release "Scream 4" with "90210" star Shenae Grimes. Will you go see Lucy in the newest "Scream" sequel?

"Pretty Little Liars" comes back to ABC Family in January.



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