The Duke and Duchess of Cambridge are expecting their third child.
The news confirms that the royal couple are to have a sibling to George & Charlotte.
The announcement was made this morning via press release from Kensington Palace:
"Their Royal Highnesses The Duke and Duchess of Cambridge are very pleased to announce that The Duchess of Cambridge is expecting their third child.
The Queen and members of both families are delighted with the news.
As with her previous two pregnancies, The Duchess is suffering from Hyperemesis Gravidarum (acute morning sickness).
Her Royal Highness will no longer carry out her planned engagement at the Hornsey Road Children's Centre in London today.
The Duchess is being cared for at Kensington Palace."