Catherine and Williams Introduce The New Royalty to The World

The newest arrival to the royal family weighs 8lbs 7oz (3.8 kilograms), and both mother and baby are "doing well," according to the Palace.

Catherine and William emerged onto the steps of the Lindo Wing to introduce the baby to the world's media shortly before 6 p.m. local time.

The duchess, who was wearing a striking, raspberry-red dress, cradled her baby as the couple waved to well-wishers. Wrapped in a white blanket and wearing a white hat, the baby appeared to be sleeping.

A beautiful baby boy. Kensington Palace said the name of the baby would be announced in due course while a formal notice of the birth had been posted on the forecourt of Buckingham Palace.

Favourite names at the bookmakers include Arthur, Albert, Frederick, James and Philip.