Shay Mitchell: Toby on the 'A' Team Was a 'Big Surprise'!

Shay Mitchell makes a quick exit out of the Chateau Marmont on Sunday night (June 30) in West Hollywood, Calif.

The 26-year-old Pretty Little Liars star recently opened up about the most shocking twist on the show.

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“I think when it said in the script, ‘and then Keegan Allen [Toby on the show] turns around and he is ‘A’” Shay told the Huffington Post. “I looked at Keegan and I was like ‘How dare you?’ and he joined the ‘A’ team and that was definitely a big surprise.”