Hearst Magazines UK has announced the appointment of Justine Picardie as Editor-In-Chief of Harper's Bazaar, and Marissa Bourke as Creative Director.

Picardie, formerly Features Director at British Vogue, replaces Acting Editor Jenny Dickinson, taking up her new role on September 10. Dickinson will remain at the title as Consultant Editor until the end of the year. Bourke also joins next month from ELLE, where she's been Creative Director for the past eight years.