LONDON, UNITED KINGDOM - SEPTEMBER 29: Catherine, Duchess of Cambridge greets the public prior to leaving the Royal Marsden Hospital on September 29, 2011 in London, England. Prince William, Duke of ... more 
LONDON, UNITED KINGDOM - SEPTEMBER 29: Catherine, Duchess of Cambridge greets the public prior to leaving 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) less 
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Getty Images | Photo By Brendon Thorne / Getty Images
Thu, Sep 29, 2011 1:20 PM EDT