(L-R) Princess Beatrice of York, Catherine, Duchess of Cambridge, Princes William and Harry attend The Diamond Jubilee Concert outside Buckingham Palace in London, on June 4, 20112. A chain of more than 4,200 beacons began to flare across the globe Monday to mark Queen Elizabeth II’s diamond jubilee, with the last to be lit by the monarch at a star-studded concert at Buckingham Palace. AFP PHOTO / Anthony Devlin /POOLDave Thompson/AFP/GettyImages http://on.fb.me/Ka8KPz