Facebook users send William and Kate their best wishes
Users of the ITV News Facebook page have been sending their congratulations to the Duke and Duchess of Cambridge, following the announcement they are expecting their first child:
Ruth Kelleher said: "Congrats to HRH and His wife. Wonderful news for the newly married couple."
Lindsay Jane Bird said: "Wahooooooo new baby royal on the way!"
Sue Norton said: "Amazing, wishing them both well. Fingers crossed it's a girl and a safe and happy pregnancy and birth."