With all four dressed in black, the event was held on Sunday 18 September - the evening before Queen Elizabeth II's funeral
Buckingham Palace has released the first official photograph of the King and the Queen Consort standing alongside the new Prince and Princess of Wales.
The picture was taken at the palace as the monarch and his wife were joined by William and Kate for a reception for Heads of State and official overseas guests.Queen Elizabeth II's funeralIt was described as the King's first significant state event, and one of the largest gatherings of world leaders and global political figures that the palace has ever hosted.
The photograph emphasises the support that the Prince and Princess of Wales have given the King and the Queen Consort in the weeks since the death of Queen Elizabeth II. In his tribute to his grandmother, Prince William said:"I will honour her memory by supporting my father, The King, in every way I can."
The photo was taken at the reception which had a high-powered guest list of presidents, prime ministers and royals from across the globe.