LONDON, ENGLAND - JUNE 15: Queen Elizabeth II during the annual Trooping The Colour ceremony at Horse Guards Parade on June 15, 2013 in London, England. Today's ceremony which marks the Queens official birthday will not be attended by Prince Philip the Duke of Edinburgh as he recuperates from abdominal surgery and will also be The Duchess of Cambridge's last public engagement before her baby is due to be born next month. (Photo by Mark Cuthbert/UK Press via Getty Images)
'Trooping the Colour' parade for the Queen
Queen Elizabeth II marked her birthday with the grand annual "Trooping the Colour" parade in London on Saturday, June 15. She turned 87 on April 21.