Mona (Janel Parrish) and her crazy self is one of our favorite parts of Pretty Little Liars Season 3. Of course, in Rosewood we're already worried that someone might exit the town — permanently.

Does Mona definitely survive and show up next season? And when she does, is she still in full "A" mode, or might she really reform?

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PLL writer Joseph Dougherty recently tweeted, "Working on #PLL Season Four. The other writers seem to think Mona is crazy. I really don't know where they get that from. Certainly not me."

So it sounds like Mona will not only be featured in Season 4, but she'll still be as insane as ever.

Janel Parrish, for one, wouldn't have it any other way. She recently told us, "I've got to say, I love the crazy b**** ... It's so much fun, and I can't lie, I'm really excited to go back for Season 4 and see what other tricks she has up her sleeve. She always does."

We can't wait!

Find more Pretty Little Liars spoilers here.

Catch the next episode of Pretty Little Liars on Tuesday, February 12, 2013 at 8 p.m. ET/PT on ABC Family.

Source: @Kockenlocker