The names of Prince George's seven godparents have been announced ahead of his christening later.
They are Oliver Baker, Emilia Jardine-Paterson, Earl Grosvenor, Jamie Lowther-Pinkerton, Julia Samuel, William van Cutsem and Zara Tindall.
Zara Tindall, wife of former England rugby international Mike Tindall, is Prince William's cousin.
The Archbishop of Canterbury will christen the three-month-old prince at St James's Palace in central London.
The private service will take place at 15:00 BST and last about 45 minutes.