It's a BOY!
Kate Middleton gave birth to the couple's first child, a son, on Monday at a London hospital.
The Duchess of Cambridge has given birth to a boy, the third in the line to the throne who may one day be the King.
“Her Royal Highness The Duchess of Cambridge was safely delivered of a son at 4.24 p.m. [London time],“ royal officials said in a statement.
“The baby weighs 8lbs 6oz. 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. Her Royal Highness and her child are both doing well and will remain in hospital overnight.”