LONDON, ENGLAND - APRIL 29: Prince William takes the hand of his bride Catherine Middleton, now to be known as Catherine, Duchess of Cambridge, as they walk down the aisle followed by Prince Harry and Pippa Middleton inside Westminster Abbey on April 29, 2011 in 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.  (Photo by  Kirsty Wigglesworth - WPA Pool/Getty Images) *** Local Caption *** Prince Harry;Pippa Middleton;Catherine Middleton;Prince William;