Spoilers ahead! The Pretty Little Liars series finale was downright shocking. Alex Drake, Spencer’s secret (and evil) twin sister, was revealed to be A.D. Alex had Spencer kidnapped and told her everything. Mary Drake gave birth to twins, and while Spencer ended up with the Hastings, Alex ended up in England.
She crossed paths with Wren Kingston (RIP!) and eventually met Charlotte. Once Charlotte was killed, Alex decided to head to Rosewood to wreak some havoc. Troian Bellisario, 31, is speaking out in her first post-finale interview about when she found out she was A.D., what it was like keeping the huge secret, and more.
“I was first told in the beginning of season five,” Troian said. “Marlene took me aside and told me, ‘I have an idea, but I don’t know if the network will let me do it…’ Then she sat me down and explained this whole ending to me. She said, ‘You cannot tell anybody. It might not even happen.’ So I sat on it for over a year. Then at the end of season six, she said, ‘We’re going to do it.’ It was like the starting gun at the races.”
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