Can you believe it's already been 100 episodes of Pretty Little Liars? We're so excited for the epic milestone, and we're celebrating in any way we can. Which means, of course, we're looking back at 100 of the most epic facial expressions in the show's history — in GIFs. Keep scrolling for all the fun, and once you're done, celebrate with all the rest of our Pretty Little Liars content!
Source: ABC Family