Catherine, Duchess of Cambridge talks to local school children after she arrived to open the new Kensington Leisure Centre on Jan. 19, 2015 in London, England.

Royal Baby 3 is here! Kate, Duchess of Cambridge, gave birth to a boy on Monday. The Duchess left the hospital with Prince William and the baby just hours later.

As the world awaits the birth of William and Kate's second child, see how Kate, Duchess of Cambridge, has changed throughout her pregnancy.

Prince William was with his wife, the former Kate Middleton, when she was brought, by car, to St. Mary's Hospital, the palace says.

The Duchess of Cambridge is in the early stages of labour at St Mary's Hospital in London. A spokesperson for Kensington Palace confirmed the news today (July 22).

News about Catherine, Duchess of Cambridge. Commentary and archival information about Catherine, Duchess of Cambridge from The New York Times.

Prince William and Kate, the Duke and Duchess of Cambridge, are expecting their third child, it has been announced.

Look, the royal family has certain expectations — just ask Meghan Markle. So, someone like Catherine, the Duchess of ...

Kate Middleton Duchess of Cambridge reveals baby bump on charity visit The Duchess of Cambridge reveals tiny baby bump during charity visit in London. By Naomi Gordon Published: 19 February 2013 ...

News about Catherine, Duchess of Cambridge. Commentary and archival information about Catherine, Duchess of Cambridge from The New York Times.