Olivia Williams is joining The Crown, taking over the role of Camilla Parker Bowles from Emerald Fennell.

According to Baz Bamigboye, Williams has had a “chemistry test” with Dominic West who’ll be playing Prince Charles in the fifth season of the show.

Elizabeth Debicki will playing Princess Diana, with the new season expected to focus on the events leading up to and after her death.

Filming on season five of the Netflix show is due to begin in July.