LONDON, ENGLAND - APRIL 28: (EXCLUSIVE - PREMIUM RATES APPLY)Princess Tatiana of Greece (L) and Prince Nikolaos of Greece attend a gala pre-wedding dinner held at the Mandarin Oriental Hyde Park on the eve of the Royal Wedding of Prince William to Catherine Middleton on April 28, 2011 in London, England. The marriage of the second in line to the British throne will be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Pascal Le Segretain/GP/Getty Images)
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Getty Images Entertainment Pascal Le Segretain/GP

LONDON, ENGLAND - APRIL 28: (EXCLUSIVE - PREMIUM RATES APPLY)(L to R) Princess Tatiana of Greece, Prince Nikolaos of Greece and King Constantine II of Greece attend a gala Pre-Wedding dinner on the eve of the Royal Wedding of Prince William to Catherine Middleton on April 28, 2011 in London, England. The marriage of the second in line to the British throne will be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Matthew Lloyd/GP/Getty Images)
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Getty Images Entertainment Matthew Lloyd/GP

Prince Nikolaos And Princess Tatiana Of Greece Attend A Pre Wedding Party, On The Eve Of Prince Williams Wedding To Kate Middleton, At The Mandarin Oriental Hotel In Central London. (Photo by Julian Parker/UK Press via Getty Images)
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UK Press Julian Parker