Celebrations are in full swing across Britain and rest of the world following the birth of Prince William's first child with Kate Middleton on Monday.
The royal baby was born at 4:24 pm (1524 GMT) on Monday at St Mary's Hospital. A formal bulletin has been displayed at Buckingham Palace, announcing that the Duchess of Cambridge has given birth to a baby boy.
"Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 4.24 p.m. The baby weighs 8 lbs. 6 oz. The Duke of Cambridge was present for the birth," the palace announced in a statement.
The British Telecom tower in Fitzrovia, London, displayed a message "It's a Boy" to mark the birth of the future monarch.
Crowds gathered outside St Mary's Hospital and Buckingham Palace following the news of the child's arrival into the world.
Landmarks across the country were lit up by blue lights to mark the joyous occasion. More than 40 buildings across the New Zealand including Auckland's Sky Tower and Tirau's corrugated iron dog will be illuminated by blue lights.
"The whole country will celebrate," Prime Minister David Cameron told reporters.
"Right across the country and indeed right across the Commonwealth people will be celebrating and wishing the royal couple well," he added.
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