Mandatory Credit: Photo by REX (10517536b) File photo released in 2016 of Prince George standing on foam blocks during a Royal Mail photoshoot for a stamp sheet to mark the 90th birthday of Queen Elizabeth II. The sheet features four generations of the Royal family, from left, Prince Charles, Queen Elizabeth II, Prince George and Prince William, and the picture was taken in the summer of 2015 in the White Drawing Room at Buckingham Palace. Royal Family Portrait, Buckingham Palace, London, UK - 03 Jan 2020 May only be used in conjunction with the release of the new royal family portrait by Ranald Mackechnie issued on January 3, 2020. This photograph is solely for news editorial use only; no charge should be made for the supply, release or publication of the photograph; no commercial use whatsoever of the photograph (including any use in merchandising, advertising or any other non-editorial use); not for use after 15th January 2020 without prior permission from Royal Communications. The photograph must not be digitally enhanced, manipulated or modified in any manner or form and must include all of the individuals in the photograph when published.