Now we know when Prince William and Duchess Kate are expecting baby number 3.<br /><br />Kensington Palace tweeted that the Duke and Duchess of Cambridge are delighted to confirm they are expecting a baby in April 2018.<br /><br />Back on September 4 the palace said in a statement that the couple is expecting their 3rd child and the Queen and members of both families were delighted with the news.<br /><br />Kate initially planned to keep the news under wraps for a little while longer, but since she was suffering from the same acute morning sickness she experienced while pregnant with Prince George, she was forced to go public sooner.<br /><br />A source told Us Weekly in September Will and Kate had known about the pregnancy for a while and they didn’t want to announce it before the 12-week mark… but due to having to cancel an engagement, they thought it was best to be honest about the situation.<br /><br />Just a day before, Kate went to a charity event and danced with Paddington Bear.<br />
