FILE - In this Friday, April, 29, 2011 file photo, from left: Prince Phillip; Carole Middleton; Britain's Queen Elizabeth II; and Camilla, Duchess of Cornwall, stand outside of Westminster Abbey after the Royal Wedding in London. Starting Saturday, June 2, 2012, Queen Elizabeth II begins a four-day celebration of her 60 years on the throne. (AP Photo/Martin Meissner, File)