LONDON, UNITED KINGDOM - DECEMBER 03: A general view of King Edward VII Hospital where Catherine, Duchess of Cambridge is currently undergoing care, on December 3, 2012 in London, England. Their Royal Highnesses The Duke and Duchess of Cambridge have today announced that The Duchess of Cambridge is expecting a baby. (Photo by Neil Mockford/FilmMagic)
LONDON, ENGLAND - DECEMBER 03: A general view of King Edward VII Hospital where Catherine, Duchess of Cambridge is currently undergoing care, on December 3, 2012 in London, England. St James's Palace has announced that Prince William and Catherine, Duchess Of Cambridge are expecting a baby. (Photo by Danny Martindale/WireImage)
LONDON, ENGLAND - DECEMBER 05: Pippa Middleton and her brother James Middleton leave King Edward VII Hospital where their sister Catherine, Duchess of Cambridge is currently undergoing care for pregnancy related issues on December 5, 2012 in London, England. (Photo by Danny Martindale/FilmMagic)
LONDON, ENGLAND - DECEMBER 04: Prince William, Duke of Cambridge leaves the King Edward VII Hospital where his wife Catherine, Duchess of Cambridge is currently undergoing care for pregnancy related issues on December 4, 2012 in London, England. (Photo by Simon James/FilmMagic)
