Despite being King, the monarch is often seen showing affection to his grandchildren. When Prince William, Princess Kate and their three children Prince George, 11, Princess Charlotte, nine, and Prince Louis, six, came to Coronation rehearsals, behind-the-scenes footage showed the King warmly embracing all three children.

When Harry celebrated his 40th birthday in September, however, King Charles and Prince William both acknowledged his day with a social media tributes. Middleton even celebrated brother-in-law's milestone day with a phone call, a source told Express.

Royal fans may recall that last year when King Charles turned 75, it was reported that Harry reached out to his father via a video call and had his children sing “Happy Birthday

Since moving to California, Prince Harry and Meghan Markle have polarized opinions in the US. Critics claim they have alienated Americans by attacking the Royal Family.

Prince Harry and Meghan Markle may be turning a corner when it comes to their relationship with King Charles III.

Prince Harry introduced Meghan Markle to King Charles and Queen Camilla during a meeting at Clarence House after the pair began dating.

Meghan Markle and Prince Harry have not commented on Donald Trump's US election win, but a royal commentator has claimed 'bad judgements' are now 'catching up with them'