Alison DiLaurentis may have disappeared to kick off Pretty Little Liars, but her presence is still very much felt on the show.

She sends her friends mysterious messages and threatens to reveal their secrets. We often see Alison via flashbacks, as she was clearly the leader of her clique.

Alison DiLaurentis Quotes

You think the truth is this big shiny disco ball of purity then go ahead and try it. See what it gets you. Telling the truth to the wrong person at the wrong time is how I ended up where I did. Take it from me you're always better off with a really good lie.

Alison

I'm still here, bitches. And I know everything.

A

Pretty Little Liars Quotes

I feel like I only exist in half of your life, and that's not good enough for me.

Caleb

Hide and seek was my favorite game with Melissa. You want to know why? I always won.

Spencer