‘Pretty Little Liars’ Season 7, Episode 3: Will Alison Escape From Elliott’s Trap?

Pretty Little Liars is back tonight for the third episode of Season 7 — and we can't wait to see if Alison is able to successfully escape Elliott's trap. Also, have we finally figured out who AD is? Check out the promo below and decide for yourself:

Click through to see how much the cast has changed since Season 1!