We knew we couldn’t avoid it forever. Ever since it was revealed that Toby (Keegan Allen) was a part of the “A” team on Pretty Little Liars, we have been anticipating the moment when Spencer (Troian Bellisario) finds out that her love is also her enemy. But ultimately, how will she react? And what was it like for Troian and Keegan to play those roles even after they knew the truth about Toby?

HuffPost TV caught up with Troian to chat about all things Spoby and the upcoming heartbreak. First, Troian talked about what it was like as actors to have to play the two halves of this couple and act happy all the while knowing what’s really going on:

“It was kind of fun! It was fun for me, but I think it was hard for Keegan because Keegan felt so bad all the time about playing these scenes and saying all these really normal, romantic, sweet Toby lines. But it was really fun for me to play into the trap of it and not have to worry about it because I knew the more I got to play into being oblivious, the more fun the realization was going to be.”

So that brings us to the next question: the realization. Just how much will it affect Spencer and in what way?

“This season was the most fun for me to shoot personally because Spencer's always been willing to go 100 percent to fight ‘A,’ but once the truth comes out about Toby -- which, let's face it, Spencer's a very, very intelligent girl and she's not going to stay in the dark forever -- she really has lost everything, in her eyes. And when somebody loses everything, they can do anything. So while she does become, like you saw in the trailer, more and more destroyed, she also becomes almost more and more powerful,” Troian said.

A destroyed Spencer means a powerful Spencer, and a powerful Spencer means that the “A” team needs to look out. If you thought Spencer was fierce before …

Catch the return of PLL Season 3 on Tuesday, January 8, 2013 at 8 p.m. ET/PT on ABC Family.

Source: HuffPost TV

Samantha Highfill is a contributing writer to Wetpaint Entertainment. Follow her on Twitter at @samhighfill.