Despite being born in Reading - and being classed as the fourth most famous person born there apparently - Dormer has declared herself a fan of a slightly more lofty team.
"Id love to declare that Im a big fan of Reading FC and attend most of their home games, but Id be lying. I was born and bred a Chelsea fan because of my south west London heritage."
But she's not as committed to the Blues as she is her career and says that ultimately, she's much more of a rugby girl. Are you excited to see how Margaery's story plays out on Game Of Thrones season 5? Share your thoughts below in the comments thread.