The Duke and Duchess of Cambridge Visit The Royal Marsden Hospital [Getty Images]

LONDON, UNITED KINGDOM - SEPTEMBER 29: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge leave the Royal Marsden Hospital on September 29, 2011 in London, England. Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge opened the new Oak Centre for Children and Young People at The Royal Marsden Hospital. (Photo by Brendon Thorne/Getty Images)

Getty Images Entertainment Brendon Thorne