Prince Louis' seventh birthday has been marked with the release of a new picture of the young royal, showing the youngster smiling and showing a gap for his two front teeth

Prince Louis is celebrating his seventh birthday today and to mark the occasion, the Prince and Princess of Wales have released a never-before-seen photo of the young royal

Following tradition, the Prince and Princess of Wales have shared a new picture of Prince Louis to mark his birthday today - but in one change, the snap was not taken by Kate