LONDON, ENGLAND - APRIL 28:  (EXCLUSIVE - PREMIUM RATES APPLY)Henri, Grand Duke of Luxembourg (L) and Maria Teresa, Grand Duchess of Luxembourg 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 Pascal Le Segretain/GP/Getty Images)
LONDON, UNITED KINGDOM - APRIL 28: Grand Duchess Maria Teresa of Luxembourg attends a gala Pre-Wedding dinner on the eve of the Royal Wedding of Prince William to Catherine Middleton at Mandarin Oriental Hyde Park on April 28, 2011 in London, England. (Photo by Indigo/Getty Images)
LONDON, ENGLAND - APRIL 28:  (EXCLUSIVE - PREMIUM RATES APPLY)Henri, Grand Duke of Luxembourg (L) and Maria Teresa, Grand Duchess of Luxembourg 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)