Shay Mitchell Says Sasha Pieterse Didn't Tell Anyone About Her DWTS Gig!

We can fully declare Sasha Pieterse the best secret keeper in the world — because NO ONE knew about her gig on Dancing With The Stars!

Former Pretty Little Liars co-star Shay Mitchell revealed that she was just as surprised as the most of us about her being on this season.

“Sasha is, like, the best secret keeper. She truly did not tell any of us,” Shay told ET. “She told us there was something in the works for something, but we had no idea, so I’m super excited.”

So, will Shay be in the audience for at least one performance for Sasha?

You betcha!

“If I’m in L.A. and the show is airing, I will be more than happy to be sitting front row, screaming the loudest for Sasha, 100%.”