Emma Corrin joins Harry Styles in cast for 'My Policeman'.

'The Crown' breakout star Emma Corrin has been reported as starring in Amazon's upcoming romantic drama film, 'My Policeman', alongside Harry Styles.

Styles was initially set to star alongside Lily James, however Corrin will now replace James in her role.

Production on the film is set to begin in April - so we'll no doubt have more paparazzi photos of Styles then!