1. When they held hands and looked at each other like, "Girl, we started this together, now we end this together..." at the Game of Thrones Season 8 premiere. Charles Mcquillan / Getty Images Bow to your queens! 2. When they got matching tattoos to celebrate the day they both heard they got Game of Thrones — Aug. 7, 2009. ANGELA WEISS / Charles McQuillan / Getty The tattoos on their arms, which they got in 2016, read “07.08.09" — they write the day, then month, then year in the UK. Sophie told E! News, "That's the date that we both heard that we got Game of Thrones on." Post-tatting! View this photo on Instagram instagram.com 3. And then proceeded to celebrate that special anniversary year... Instagram: @maisie_williams 4. ...after year. Instagram: @sophiet The best anniversary to celebrate TBH. 5. When they gave themselves the joint nickname, "Mophie." View this post on The mark of a true best friendship. 6. And made sure you knew it. View this post on In case you didn't believe it! 7. And then when they made "#mophie" the greatest hashtag ever. Instagram: @sophiet Always and forever. 8. When Maisie welcomed Joe Jonas (Sophie's fiancé) into their world by bestowing the NEW mashup "JOPHIE" to him. View this photo on Instagram instagram.com *Heart explodes* Instagram: @maisie_williams 9. When Maisie referred to Sophie as her "wife." View this photo on Instagram Instagram: @undefined Along with Ollie Jackson as "husband." Hehe. 10. When they did some hilarious AF Sean Bean/Ned Stark impressions during Carpool Karaoke: The Series. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Apple Music / CBS / Via youtube.com Queens of doing northern accents. 11. When Sophie helped Maisie with her dress at the Golden Globes because that's what best friends do, goddamn it. Frazer Harrison / Getty Images Sophie be damned if Maisie trips! 12. When they recalled meeting each other for the first time at the Game of Thrones audition and it was basically love at first sight. View this post on Maisie: "Even if I don't get the part, I really want that girl to. She's really cool." 13. And then when they reminisced about their first GoT scene together. View this post on Look at those eye rolls! LOL. 14. When they shared a sincere moment in an interview that escalated quickly. Rolling Stone / Via youtube.com Huge. 15. When Maisie demanded that Sophie show her love on her birthday because that is what true friendship is made of. Instagram: @maisie_williams LIL' MAISIE PIC ALERT. 16. And when Maisie sent out this lovely tweet in honor of Sophie's birthday. Maisie Williams @Maisie_Williams Happy 21st Birthday @SophieT Forever looking up to you, in more ways than one ❤️ 10:47 PM - 21 Feb 2017 Reply Retweet Favorite BABIES!!! 17. When Sophie took to her Instagram story to give a little shout out to Arya's sex scene in the final season of Game of Thrones. lauren yap @itslaurenyap this vid of sophie turner talking about arya's sex scene last night is art 05:44 PM - 22 Apr 2019 Reply Retweet Favorite Was not ready for this tea, Sophie!! 18. When they gave their fans what they wanted. Maisie Williams @Maisie_Williams @gameofmophie @SophieT 09:30 PM - 13 Oct 2016 Reply Retweet Favorite Not creepy at all. 19. When Sophie proved to the world that she knew Maisie inside and out. Harper's BAZAAR / Via youtube.com A girl knows her BFF. 20. When they had fun dorking around on set again... View this photo on Instagram Instagram: @undefined 21. ...and again... Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF HBO 22. ...and AGAIN. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF HBO The happiest of reunions. 23. When they would have sleepovers after shooting Game of Thrones where they just got high and sat in the bath together. Instagram: @maisie_williams Sophie told Vulture, "We just used to sit there and eat and watch stupid videos and smoke weed. We’d get high and then we’d sit in the bath together and we’d rub makeup brushes on our faces. It’s fun.” 24. When Sophie named Maisie her best #WCW. Sophie Turner @SophieT My #wcw is blantently @Maisie_Williams because she's shit hot and got an accent like dayummm . 💛💙💜💚❤️💗 miss ya 07:38 PM - 20 Aug 2014 Reply Retweet Favorite SAME, THO. 25. When they looked PICTURE FUCKING PERFECT on the cover of Rolling Stone... View this photo on Instagram Instagram: @undefined 26. ...and Glamour, too. View this photo on Instagram Instagram: @undefined BRB, dying my hair pink. 27. And finally, when they were so in sync they literally completed each other's sentences. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF ABC / Via youtube.com Michael: "You two really are close!" Sophie: "We're best friends, sisters!" And this, ladies and gentleman, is why #Mophie is one of the purest, kindest, loveliest forms of female friendship ever to exist. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF emmys.com / Via itsallaboutsophieturner.tumblr.com Need more Game of Thrones before next week's episodes? Check out all our Game of Thrones coverage here.