Members of the royal family stand on the balcony of Buckingham Palace during the Trooping the Colour on June 13, in London -- from left, Camilla, Duchess of Cornwall; Prince Charles, Prince of Wales; Prince George of Cambridge; Prince William, Duke of Cambridge; Catherine, Duchess of Cambridge; Queen Elizabeth II; Prince Harry; and Prince Philip, Duke of Edinburgh. The ceremony is the British monarch's annual birthday parade and dates back to the time of Charles II in the 17th century, when the colors of a regiment were used as a rallying point in battle. The Queen's actual birthday is April 21.
Chris Jackson/Getty Images
Prince George of Cambridge is held by Prince William, Duke of Cambridge as the family looks on from the balcony of Buckingham Palace.
Chris Jackson/Getty Images
The Red Arrows fly over Buckingham Palace as part of the celebration.
Chris Jackson/Getty Images
Troops advance down the Mall during the parade.
Chris Jackson/Getty Images
Queen Elizabeth II arrives at the Horse Guards Parade.
Prince Andrew, Duke of York, Princess Beatrice and Princess Eugenie arrive.
Chris Jackson/Getty Images
Prince Harry, Camilla, Duchess of Cornwall, and Catherine, Duchess of Cambridge arrive by carriage.
