Princess Charlotte goes by different name at school - and doesnât use her titles It's not exactly practical for a six-year-old to be known as Her Royal Highness Princess Charlotte of Cambridge at school SIGN UP When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice When Prince William and Kate Middleton welcomed their second child, and only daughter, six years ago they named her Charlotte Elizabeth Diana. It was announced that she would be formally known as Her Royal Highness Princess Charlotte of Cambridge thanks to her position as fourth in line to the throne.