India, Sept. 25 -- Actor Shay Mitchell recently posted a Reel with her Pretty Little Liars co-star Tyler Blackburn. The former co-stars got together to catch up and grab a coffee, and couldn't help get silly with their videos. In a Reel posted on Shay's account, the two react to seeing the letter 'A' on a window pane, a clear nod to their mysterious figure in their series. However, they couldn't help but laugh it off. Fans of the show reacted, with one user writing, "I love reunion". while another commented, "Time for a rewatch".htc...