Preparations At The Lindo Wing Ahead Of The Birth Of The Duke And Duchess Of Cambridge's Second Child [Getty Images]

LONDON, ENGLAND - APRIL 22: Royal well wishers wait outside the Lindo Wing of St Marys Hospital ahead of the Royal birth on April 22, 2015 in London, England. (Photo by Ben A. Pruchnie/Getty Images)

Getty Images Entertainment Ben A. Pruchnie