Duke and Duchess of Cambridge share new pic of son Louis as he turns three 23 April 2021 - 08:11 By Khanyisile Ngcobo and Reuters The Duke and Duchess of Cambridge with their children Prince Louis, Princess Charlotte and Prince George. The royal couple released a sweet snap of Louis as the tot turns three. Image: Aaron Chown/WPA Pool/Getty Images Prince William and his wife Catherine published a photograph of their youngest child Louis to mark his third birthday on Friday. The photograph was taken by Kate at Kensington Palace, the family's home in London, shortly before Louis left for his first day at a nearby nursery school.