EXCLUSIVE: 'Pretty Little Liars' Star Keegan Allen Teases 'Iconic' Series Finale & If Spoby Will Get Married!

It's time to break down all those pretty little secrets!

It's time to break down all those pretty little secrets!

Pretty Little Lairs star Keegan Allen stopped by the ET studios on Wednesday morning for a live episode of our new PLL aftershow, The Rosewood Rundown, and the 27-year-old actor spilled exclusive secrets on what's to come.

As we all saw on Tuesday night's premiere, Toby's fiancée, Yvonne, was placed in a medically induced coma following a car accident, and Allen confessed that Yvonne's fate will continue to be up in the air in next week's episode. "Next week it'll linger, but there is an amazing thing that does end up happening," Allen said.

Speaking of amazing things, Spencer and Toby fans were treated to a highly anticipated reunion in the premiere and Allen dished that he really loved filming that scene with co-star Troian Bellisario.

MORE: A.D. Is Ready to Cause Chaos With a Board Game From Hell in the 'PLL' Premiere!

"It is a moment that both these characters sort of acknowledge the insanity that has befallen upon them over their lifetimes in Rosewood and why are they not able to leave," he shared. "It's such an amazing moment for both these characters to recognize that they are stuck in this whirlwind and they don't know that they are victims of writing in a TV show. But it is a really special and I think it does nod to their continued friendship."

Friendship? No way, we're looking for a relationship! So could there be another Spoby kiss in our pretty little future? "I can honestly say that there is not another Spoby kiss," Allen insisted. (Hmm, color us curious. Perhaps it's time to revisit that twin theory again…)

On the other hand, when asked if a Spoby wedding was a possibility, Allen was very coy with his response. "Because it's the last 10episodes, there are a lot of surprises," he teased. "So you could be watching and you could be like, 'Oh! They just got married!' You know what I mean? It could be just that crazy."

"Or it could not be," he playfully countered. "It could be like, 'Oh! They just died.'" Let's keep our fingers crossed that all of our favorites survive these next nine episodes...

RELATED: The 13 Biggest Questions We Need Answered Before 'PLL' Ends!

We put Allen's quick wits to the test with our rapid-fire round of questions in The Rosewood Rundown, and you won't believe what he said about A.D.'s identity and which PLL couple has an "incredible chemistry" together…

The Rosewood Rundown

1. Who was the first person you thought was 'A'?

It was definitely Mona, because [she was 'A'] in the book series. I had read the book series before I started shooting the show and she was original 'A', so I assumed that was the first person that was 'A.'

2. What was your craziest/most jaw-dropping moment of the series?

It would have to be when I read that Toby turns around in the black hoodie and you see his face and he was the 'A' at the time. That was definitely it for me.

3. Name a couple that you personally "shipped" on PLL? (Side-note: you can't say your own!)

Hmm, a couple I shipped on the show really hard? I really liked Hanna and Caleb a lot -- their chemistry is really great. And then, of course, Aria and Ezra, and even Emily and Alison's was really cool, but I definitely love Ashley [Benson] and Tyler [Blackburn] together. You put them in a room together and it's just like fun to watch them. They just have an incredible chemistry and friendship together.

4. What is one word you would use to describe the series finale?

Memorable. Extremely memorable, which I know is two words. It's iconic. For sure, you will remember it forever.

5. How did you feel about the reveal of A.D.?

I'm trying to think exactly. I remember reading it and thinking, 'Oh, this is insane." Like, it's to the point where you read it and it takes a very long time for it to process because it's so astronomically well done -- and crazy… it's, like, exactly, what you would want -- after all this time -- to happen. It's what a fan would love for this to end like. It's so crazy!

WATCH: Here's Everything You Need to Remember Before 'PLL' Ends!

Keegan Allen's Two Truths and 'A' Lie:

In addition to this rapid round of questions, Allen also played one of our favorite PLL games: Two Truths and 'A' Lie! The Freeform star spilled two true details (and one big fat lie!) about what's to come in the last nine episodes of Pretty Little Liars, and it's up to you fans to determine which is fact and which two are fiction…

- Someone dies

- Someone kills someone

- Someone tries to bribe someone

What do you think, Little Liars? Which one is the lie? Share your answers and your best 'A' theories with @LeanneAguilera and @Katie_Krause on Twitter and we might read them on the next Rosewood Rundown!

Pretty Little Liars airs Tuesdays at 8 p.m. ET/PT on Freeform.

Dying for more PLL answers? Press play on the video below to watch our full episode of The Rosewood Rundown with guest star Keegan Allen to find out if a Spoby baby is a possibility!