VIDEO : ?Carpool Karaoke? Guests Maisie Williams and Sophie Turner

Thanks to social media, Game of Thrones fans know that actresses Sophie Turner and Maisie Williams are close friends in real life. While promoting the current season, the two girls will star in the latest "Carpool Karaoke: The Series" episode together. From the teaser, they're driving around Los Angeles and belting out Justin Bieber songs. In one clip, it looks like they surprised Game of Thrones Fans at an event. Fans can check out the show on August 22 on Apple Music,