The marriage will be conducted by the Dean of Westminster, the Very Reverend John R. Hall. The Archbishop of Canterbury, the Most Reverend and Right Honourable Rowan Douglas Williams, will marry bride and groom. The Bishop of London, the Right Reverend and Right Honourable Dr Richard John Carew Chartres, will give the address.

The bride, Catherine Middleton, and her immediate family will spend the night before the wedding at the Goring Hotel in London.

Around 1900 people have been invited to the service at Westminster Abbey. Around 650 people have been invited to the reception at Buckingham Palace afterwards. Around 300 people have been invited to the wedding dinner at Buckingham Palace in the evening. These 300 guests are family and close friends.

The Wedding Service will be relayed by audio speakers along the Route. This is in addition to the screens already announced at Hyde Park and Trafalgar Square.

The following musicians will perform during the wedding service:
  • The Choir of Westminster Abbey
  • The Choir of Her Majesty's Chapel Royal, St James's Palace
  • The London Chamber Orchestra
  • The Fanfare Team from the Central Band of the Royal Air Force
  • The State Trumpeters of The Household Cavalry

  • The sub organist of Westminster Abbey, Robert Quinney, will play the organ.

    Both Prince William and Catherine Middleton have taken a great deal of interest and care in choosing the music for their Service, which will include a number of well-known hymns and choral works as well as some specially-commissioned pieces. After the Bride and Bridegroom have signed the register, the RAF Trumpeters will sound a brand new, 30-second piece of fanfare music has been especially composed for the occasion by Wing Commander Stubbs. The music, entitled ‘Valiant and Brave’, is the motto of 22 Squadron, in which Prince William is serving as a Search and Rescue pilot at RAF Valley in North Wales.

    The Bride and Bridegroom will leave Westminster Abbey through a path-lining party made up of specially selected members of the Armed Forces.

    Following the Wedding Service at Westminster Abbey, Claire Jones, the Official Harpist to The Prince of Wales will perform at the Reception given by Queen Elizabeth II of Great Britain at Buckingham Palace.

    The wedding ring that Catherine Middleton will wear will be made of Welsh Gold, given to Prince William by Queen Elizabeth II shortly after the couple were engaged. There will only be one ring, in accordance with the couple's wishes. The ring will be from Prince William for Catherine.

    Prince William and Catherine Middleton have chosen Leicestershire-based cake designer, Fiona Cairns to create their wedding cake.The cake, which will be decorated with cream and white icing, will have a strong British floral theme using elements of the Joseph Lambeth technique. The wedding cake will be a multi-tiered traditional fruit cake. In addition, the couple have also asked McVitie’s Cake Company to create a chocolate biscuit cake for the reception at Buckingham Palace. The chocolate biscuit cake will be made from a Royal Family recipe and was specially requested by Prince William.

    Hugo Burnand has been selected to be the official wedding photographer. Mr Burnand will take the official photographs in the State Apartments at Buckingham Palace following the wedding at Westminster Abbey.

    For the first time, broadcast footage of a royal wedding will be live streamed on The Royal Channel on YouTube, accompanied by a live multi-media blog put together by St James’s Palace.

    An official video "Wedding Book" on YouTube invites anyone to submit their own video of congratulations to Prince William and Catherine Middleton. The video messages will provide a unique reminder of the day for the couple.