LONDON, ENGLAND - APRIL 29:  Crown Prince Willem Alexander and Princess Maxima of The Netherlands smile as they arrive to attend the Royal Wedding of Prince William to Catherine Middleton at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to 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 Chris Jackson/Getty Images)
LONDON, ENGLAND - APRIL 29:  Prince Willem-Alexander of the Netherlands and Princess Maxima of the Netherlands leave the Abbey following the marriage of Their Royal Highnesses Prince William Duke of Cambridge and Catherine Duchess of Cambridge at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne was led by the Archbishop of Canterbury and was 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/Getty Images)
Crown Prince Willem, And Crown Princess Maxima Of Holland Leave Westminster Abbey After The Wedding Of Prince William And Catherine Middleton, At Westminster Abbey, London. (Photo by Antony Jones/Julian Parker/Mark Cuthbert/UK Press via Getty Images)