Kate Middleton and Prince William welcomed a baby boy today.

The birth of the new heir was announced by Kensington Palace.

“Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 4.24 p.m.,” the palace said in a statement. “The baby weighs 8 lbs. 6 oz. The Duke of Cambridge was present for the birth.

“The queen, The Duke of Edinburgh, The Prince of Wales, The Duchess of Cornwall, Prince Harry and members of both families have been informed and are delighted with the news,” the statement said. “Her Royal Highness and her child are both doing well and will remain in hospital overnight.”

-ABC News