'Pretty Little Liars' Finale: A.D. is Spencer's Twin - Watch Everything the Cast Teased About It! Video:

A.D.'s identity was FINALLY revealed during the 'PLL' finale -- but here's what Troian​ Bellisario​ and the rest of the cast told ET when we asked about that theory over the past year!

Published Wed, 28 Jun 2017 02:53:15 UTC

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