Transcript for Prince William, Kate Middleton Announce They Are Expecting Their 2nd Child
So happy to share this with you all. Big royal breaking news. Here's the scene. Live outside Buckingham palace. This, just hours after William and Kate announced they're, in fact, expecting their second child. Forced to share the news before Kate reaches the 12-week mark due to intense morning sickness. This morning, it's official. 14-month-old prince George is going to be a big brother. Clarence house announcing they're delighted with the news, but the duchess is being treated for severe morning sickness again. The condition landed her in the hospital during her first pregnancy. It requires extra hydration, medication, and nutrients. The new baby will be the fourth in line to the throne, bumping harry to fifth. The royal couple saying they were hoping for a big family. It's very important to me. And I hope we'll be able to have a happy family ourselves. Obviously, we want a family. So, um, we'll have to start thinking about that. Reporter: As for big brother George, it was almost a year ago that the world watched happily as he was presented for the first time. In the past year, we have watched baby George make major milestones. From his royal christening to his first royal trip down under, where he had his first official public engagement. A royal crawl about. The age difference between William and harry is about two years. Roughly the same difference that prince George and his new sibling will have as well. They'll go through mile stoens in life at a similar time. They'll be able to be each other's closest confidant and biggest ally.
This transcript has been automatically generated and may not be 100% accurate.