News Maisie Williams Wishes Sophie Turner a Happy 21st Birthday With Amazing Throwback Snap -- See the Pic! By Jennifer Drysdale 6:46 PM PST, February 22, 2017 This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. 01:04'Game of Thrones' Star Maisie Williams Wishes BFF Sophie Turner …10:48‘Lucifer’ 5B: Tom Ellis and Lauren German on Deckerstar and the …02:44Dixie D'Amelio on Whether She Had Apprehensions Filming New Fami…04:34H.E.R. on Possible Collaboration With Zendaya and Kehlani After …02:46Machine Gun Kelly Dyes Tongue Black and Makes Out With Megan Fox…02:36Tina Knowles-Lawson Gushes Over Spending Quality Time With Her G…05:52‘American Idol’ Winner Chayce Beckham on How He’s Celebrating Hi…08:4090 Day Fiancé: Loren and Alexei Open Up About How Tourette's Has…03:32North West Pokes Fun at Mom Kim Kardashian For Fangirling Over O…08:01‘The Masked Singer’: Jenny McCarthy and Donnie Wahlberg on His S…03:392021 Billboard Music Awards: Backstage With the Night’s Biggest …01:16Drew Barrymore Reacts to Her First Daytime Emmy Nomination (Excl…04:38Kim Kardashian Says She Didn't Pass First Year Law School Test24:58Ariana Grande Shares First Wedding Pics, What to Expect From ‘Fr…11:42Angela and Vanessa Simmons Talk 'GUHH' Season 6: Daniel Jacobs R…02:13Shania Twain Wants to Sing in a Trio With Blake Shelton and Gwen…04:56'Friends' Reunion: Jennifer Aniston and David Schwimmer Admit Re…04:29Chris Harrison Exits 'Bachelor' Franchise Following Racism Contr…02:32Kim Kardashian and Kanye West's Relationship Is Still 'Pretty Em…02:29Bachelor Nation Reacts to Chris Harrison’s Exit From Franchise Happy birthday to Sophie Turner! The actress turned 21 years old on Tuesday, and her Game of Thrones co-star-turned-BFF Maisie Williams couldn't help but celebrate with an amazing throwback pic from the beginning of their friendship. EXCLUSIVE: 'Game of Thrones' Star Maisie Williams on Saying Goodbye to Arya: I'm Trying to Do Her 'Justice'"Happy 21st Birthday @SophieT," Williams wrote on Twitter, alongside an epic pic of the two from years earlier. "Forever looking up to you, in more ways than one." Happy 21st Birthday @SophieTForever looking up to you, in more ways than one ❤️ pic.twitter.com/43cCih2KeJ— Maisie Williams (@Maisie_Williams) February 21, 2017Williams wasn't the only one spreading the love. Turner quickly took to the app to share a sweet note to her TV sister."@Maisie_Williams nah. Lookin up to you, kid," she wrote. "Love you." WATCH: Joe Jonas and Sophie Turner Get Goofy at Friend's Malibu WeddingTurner and Williams' love for each other isn't just displayed online -- it's written in ink.ET caught up with Turner at the Emmys in September, where she opened up about her and Williams' matching tattoos: the date that they both found out they won roles in Game of Thrones. See more in the video below.EXCLUSIVE: Sophie Turner Flaunts 'GOT' Tattoo, Geeks Out Over 'Stranger Things' This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.