text: LONDON, ENGLAND - APRIL 29: A woman adjusts the dress of Catherine Middleton as she arrives with her father Michael Middleton (L) at 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 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 Suzanne Plunkett - WPA Pool/Getty Images