Prince Louis turns three: the British royal toddler’s first day at nursery school, the adorable new photo taken by mum Kate Middleton and why he’s rarely seen in public

• The youngest child of Prince William and Kate Middleton, and brother to Prince George and Princess Charlotte, just had his first day at Willcocks Nursery School
• The Duke and Duchess of Cambridge also posted an adorable new photo of their boy – following the two-week period of royal mourning for Prince Philip