Sophie Turner and Joe Jonas began dating four years back in 2016 after being introduced by a mutual friend. Even though Joe and Sophie had a friend who played cupid for them, Joe has revealed that Sophie had a special condition for agreeing to date the pop-rock band's singer. In his conversation with James Corden on the Late Night Show, Joe Jonas revealed that he had to binge-watch all the Harry Potter movies in order to impress Sophie and convince her to date him. Well, not many of us know that the Game Of Thrones alum is a big Harry Potter junkie!