Gala pre-wedding dinner held at the Mandarin Oriental Hyde Park

LONDON, ENGLAND - APRIL 28: HRH Queen Elizabeth II (L) and Prince Philip, Duke of Edinburgh leave a gala pre-wedding dinner held at the Mandarin Oriental Hyde Park on April 28, 2011 in London, England. Spain's Queen Sofia, Spain's Crown Prince Felipe, and his wife Princess Letizia, arrive at a central London hotel for a pre-royal wedding dinner hosted by Lady Elizabeth Anson and attended by