The Queen’s 80th birthday portrait, taken in February 2006, is one of 60 photographs included in an exhibition at Windsor Castle’s Drawings Gallery to celebrate The Queen’s Diamond Jubilee

80th birthday portrait, taken in February 2006, is one of 60 photographs included in an exhibition at Windsor Castle's Drawings Gallery to celebrate The Queen's Diamond Jubilee

The Queen’s 80th birthday portrait, taken in February 2006, is one of 60 photographs included in an exhibition at Windsor Castle’s Drawings Gallery to celebrate The Queen’s Diamond Jubilee