LONDON, UNITED KINGDOM - APRIL 16: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) The media pen erected outside the Lindo Wing of St Mary's Hospital in preparation for the birth of the second child of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge on April 16, 2015 in London, England. (Photo by Max Mumby/Indigo/Getty Images)
