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LONDON, ENGLAND - OCTOBER 30: (NO PUBLICATION IN UK MEDIA FOR 28 DAYS) Queen Elizabeth II, wearing a diamond and sapphire necklace and earrings that had been a gift from King Abdullah when he was Crown Prince, hosts a state banquet at Buckingham Palace for King Abdullah Bin Abdul Aziz Al Saud of Saudi Arabia at the start of his State Visit to the United Kingdom on October 30, 2007 in London, England. (Photo by POOL/ Tim Graham Picture Library/Getty Images)

LONDON, ENGLAND - OCTOBER 30: (NO PUBLICATION IN UK MEDIA FOR 28 DAYS) Queen Elizabeth II, wearing a diamond and sapphire necklace and earrings that had been a gift from King Abdullah when he was Crown Prince, hosts a state banquet at Buckingham Palace for King Abdullah Bin Abdul Aziz Al Saud of Saudi Arabia at the start of his State Visit to the United Kingdom on October 30, 2007 in London, England. (Photo by POOL/ Tim Graham Picture Library/Getty Images)