Prince William shares touching Father's Day tribute to King Charles

The Prince of Wales has shared a photo of him playing football with the King in a touching tribute to mark Father’s Day.

The photo, taken on June 12 1984 shows a very young William and Charles playing together in the garden.

“Happy Father’s Day, Pa,” the post, personally signed by William, said.

READ MORE: Princess Kate's triumphant return to public life at Trooping the Colour

Later that same year William would gain a younger brother, with the Duke of Sussex born in September.

It comes after Charles’s official birthday celebrations on Saturday, June 15, where the Princess of Wales made her first public appearance this year.

Kate looked relaxed and happy during her first day in the spotlight following her cancer diagnosis for the traditional Trooping the Colour ceremony.

With the King also suffering from cancer, it was a rare joint public outing for the entire family after a period of uncertainty

She rode to the event in a carriage with her children, while William, the Princess Royal, and the Duke of Edinburgh were on horseback.

The King also rode in a carriage with the Queen, a departure from last year because of his illness on doctors order.

Kate and members of the royal family were cheered when they were first spotted in The Mall.

Both Kate and Charles have thanked the public for their support after going public with their illnesses, with Kate saying she had been “blown away” by the “kind messages” that had made a “world of difference to William and me and has helped us both through some of the harder times”.