LONDON - JULY 27:  Princess Elizabeth's wedding dress, designed by Norman Hartnell, is displayed at the 'Royal Wedding: 20 Novermber 1957'  exhibition at Buckingham Palace on July 27, 2007 in London. Queen Elizabeth II will be the first reigning sovereign to celebrate a 60th wedding anniversary. This new exhibition will mark the occasion by recreating the day in 1947 when Princess Elizabeth married The Duke of Edinburgh at Westminster Abbey. The collection of archive film footage, behind the scenes preparations, dresses, jewels and gifts reflect the mood of public rejoicing that swept the nation in the immediate aftermath of World War II.  (Photo by Peter Macdiarmid/Getty Images)