LONDON, ENGLAND - MARCH 09: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the Observance for Commonwealth Day Service At Westminster Abbey on March 9, 2015 in London, England. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - MARCH 09: Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend the Observance for Commonwealth Day Service At Westminster Abbey on March 9, 2015 in London, England. (Photo by Chris Jackson/Getty Images)