LONDON, ENGLAND - APRIL 29:  Zara Phillips and fiance Mike Tindall leave the wedding reception for Prince William and Catherine Middleton at Buckingham Palace on April 29, 2011 in central London, England. The marriage of Prince William, the second in line to the British throne, to Catherine Middleton is being held in London today. The Archbishop of Canterbury conducted the service which 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 and street parties are being held throughout the UK.  (John Stillwell-WPA Pool/Getty Images)