LONDON, UNITED KINGDOM - JULY 23: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Prince William, Duke of Cambridge carries his newborn son as he and Catherine, Duchess of Cambridge leave The Lindo Wing at St Mary's Hospital on July 23, 2013 in London, England. The Duchess of Cambridge yesterday gave birth to a boy at 16.24 BST and weighing 8lb 6oz, with Prince William at her side. The baby, as yet unnamed, is third in line to the throne and becomes the Prince of Cambridge. (Photo by Max Mumby/Indigo/Getty Images)
