Joe Jonas!
The pair have been together since 2016 and got engaged almost a year later. The now 21 year old is engaged to American singer and actor Joseph Adam Jones (Joe Jonas) who is 28.
Source: Cosmopolitan
Joe and Sophie first started dating in June 2016, having met through mutual friends. Joe quickly fell for the actress and popped the question in October 2017. The couple is pretty serious since they already adopted a husky puppy.
Let’s move on to the next Game of Thrones star!