Royal Birth: Prince Willam and Kate Middleton welcome healthy baby boy

Duchess of Cambridge gave birth to healthy baby boy — a third child for Kate and Prince William and fifth in line to the British throne. (Photos: AP)

Britain's Prince William arrives with Prince George and Princess Charlotte back to the Lindo wing at St Mary's Hospital in London London.

The new Prince (main picture) will be introduced to a surprisingly 'normal' life in Apartment 1A at Kensington Palace.

Britain's Prince William and Kate, Duchess of Cambridge with their newborn baby son as they leave the Lindo wing at St Mary's Hospital in London.

Kate, 36, opted for a bespoke creation with a lace collar by one of her favourite designers for the third time as she showed off her baby boy on the steps of the Lindo Wing at St. Mary's Hospital.

Britain's Prince William and Kate, Duchess of Cambridge wave at the crowd gathered around to welcome the royal birth with their newborn son outside the Lindo Wing

Britain's Prince William and Kate, Duchess of Cambridge pose for a photo with their newborn baby son.

ARTHUR is bookies' favourite for name of newborn prince and Paddy Power is already paying out on Royal nod to legendary king.

A notice is placed on an easel announcing the birth of the new Royal baby, in the forecourt of Buckingham Palace, in London.