A tweet posted to accompany the photograph said: ‘Happy 6th Birthday, Prince Louis! Thank you for all ... For his first and second birthdays, William and Kate released photos that were taken ...

This is Prince Louis, the youngest child of the Duke and Duchess of Cambridge, and younger sibling to Prince George and Princess Charlotte. The royal became famous for looking "royally unimpressed ...

Born His Royal Highness Prince Louis Arthur Charles of Cambridge, Louis is the third and youngest child of Prince William and Princess Kate, and the younger brother of Prince George and Princess ...

Is Prince Louis beginning his photography ... "George, Charlotte, Louis and I are so proud of you. Happy Birthday, Catherine. We love you." ...