(FILE) The Duke & Duchess Of Cambridge Depart The Lindo Wing With Their New Son

(FILE PHOTO) In this photo composite a comparison has been made between Catherine, Duchess of Cambridge carrying her newborn son and Diana, Princess of Wales carrying her newborn son Prince Harry (R) both leaving the Lindo Wing of St Mary's hospital. ***LEFT IMAGE*** Editorial # 950804602 LONDON, UNITED KINGDOM - APRIL 23: Catherine, Duchess of Cambridge carries her newborn son as she leaves the Lindo Wing of St Mary's hospital on April 23, 2018 in London, England. (Photo by Anwar Hussein/WireImage) RIGHT IMAGE*** Editorial # 909562840 LONDON, UNITED KINGDOM - SEPTEMBER 17: Diana, Princess of Wales leaves the Lindo Wing, St Mary's Hospital with baby Prince Harry on September 17, 1984 in London, England. (Photo by Anwar Hussein/Getty Images)