Available now on Digital HD [Blu-ray™ and DVD]! THEY DONT KNOW by Ariana Grande (TROLLS) A Movie directed by Walt Dohrn, Mike Mitchell Cast : Anna .<br>TROLLS (Original Motion Picture Soundtrack) out now! iTunes: Spotify: Amazon: .<br>Brianna Leah covers They Dont Know by Ariana Grande from DreamWorks Animations TROLLS CONNECT WITH BRIANNA LEAH SUBSCRIBE: .<br>Thank u guys so much for 20000 subscribers i made this music video for u love u guys so much!! more vids coming tomorrow! Ariana Grande - They Dont Know .<br>
