(FILE PHOTO) In this photo composite a comparison had been made between Prince Charles, Prince of Wales, Diana, Princess of Wales with newborn son Prince William (L) and Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, and their newborn son Prince George both leaving the Lindo Wing of St Mary's hospital.***LEFT IMAGE*** LONDON, UNITED KINGDOM - JULY 22: Prince Charles, Prince of Wales and Diana, Princess of Wales leave the Lindo Wing St Mary's Hospital with baby Prince William on July 22, 1982 in London, England. (Photo by Anwar Hussein/Getty Images) ***RIGHT IMAGE*** LONDON, UNITED KINGDOM - JULY 23: Catherine, Duchess of Cambridge, Prince William, Duke of Cambridge and their newborn son, Prince George of Cambridge leave the Lindo Wing of St Mary's hospital on July 23, 2013 in London, England. (Photo by Anwar Hussein/WireImage)
