Queen Elizabeth II greets British singer-songwriter Ed Sheeran (L) and Australian singer Kylie Minogue (R) backstage during 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 / Dave Thompson /POOL        (Photo credit should read Dave Thompson/AFP/GettyImages)