LONDON, ENGLAND - DECEMBER 18: In this handout image provided by Kensington Palace on December 18th, Image shows picture used for the Duke and Duchess of Cambridge's 2017 Christmas card which was taken by Getty Images royal photographer Chris Jackson at Kensington Palace showing the royal couple with their children Prince George and Princess Charlotte, Issued on December 18, 2017 in London, England. (Photo by Chris Jackson/Kensington Palace/Getty Images)
Copyright: Chris Jackson/Getty Images. NEWS EDITORIAL USE ONLY. NO COMMERCIAL USE (including any use in merchandising, advertising or any other non-editorial use including, for example, calendars, books and supplements). This photograph is provided to you strictly on condition that you will make no charge for the supply, release or publication of it and that these conditions and restrictions will apply (and that you will pass these on) to any organisation to whom you supply it. All other requests for use should be directed to the Press Office at Kensington Palace in writing.