Queen's English no longer spoken by Queen, says Helen Mirren That'll be a challenge,' she said in an interview with the Daily Mail. Her voice has changed, and I can use that - she had a terribly posh voice when she was young. But now even the Queen, while she isn't quite dropping the ends of her lines - though her grandsons do! - there's a tiny bit of estuary creeping in there. I can use all that to signify the age range, and we'll come up with other things. Mirren was initially apprehensive about taking on a role that reprised her role at The Queen. The play imagines the meetings, which are held in the strictest confidence, between the Queen and political leaders from Winston Churchill to David Cameron. It will be directed by Billy Elliot film-maker Stephen Daldry and will run at the Gielgud Theatre from February. She revealed that the play is about the history of Britain as much as it is about the relationships between Her Majesty and her prime ministers. 'I think it's about what power means and how people handle it. In the beginning, the Queen is the young, nervous, unknowledgeable one. But as she progresses through them, they become the nervous ones. She's the one constant, through a revolving door of prime ministers.'