It's a boy!
The Duke and Duchess of Cambridge are celebrating the birth of their third child, born at 11.01am on Monday April 23, UK time.
The youngest royal, who weighs in at 8lbs 7oz, was born in the Lindo Wing at St Mary's Hospital in Paddington, London. Kate went into labour at 6am. "We didn't keep you waiting around too long this time," joked Prince William as the proud new parents paraded their new arrival for the public at 6pm that same day after his swift arrival.
While we are yet to learn the name, it is expected the couple will choose a traditional one with Arthur, Albert, James and Phillip hot contenders in the bookies odds.
The newest royal is the younger brother of Prince George, four, and Princess Charlotte, two, who are respectively third and fourth in line for the throne, ahead of their new sibling. Both were picked up by Prince William from school to meet their new sibling, with Princess Charlotte in particular looking thrilled with the news.
In a statement shortly after 1pm, Kensington Palace said: "Her Royal Highness the Duchess of Cambridge was safely delivered of a son at 1101hrs. The baby weighs 8lb 7oz. 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."
Eager fans began gathering outside the Lindo Maternity Wing of St Mary's hostpital in London as early as April 11 to welcome the new prince Crowds later swelled as the news of the royal baby was announced.
Earlier this year, Prince William accidentally hinted the couple were expecting a boy, remarking that he wanted to name it Jack after Aston Villa soccer player, Jack Grealish.
It was also rumoured the Duchess craved spicy foods during her pregnancy, which some believed to indicate she would have a boy.
As with her first two children, Kate, 36, suffered hyperemesis gravidarum - a severe form of morning sickness - while pregnant with baby number three. Despite cancelling some public engagements early in the pregnancy, the Duchess continued her duties before starting maternity leave in late March.
Royal watchers predicted an April 29 birth date, five weeks into Kate's maternity leave, as this followed the same pattern as her first two children.