King Charles will reportedly honour the late Queen Elizabeth with a message to mark her 100th birthday.
The 77-year-old monarch will deliver his heartfelt recorded address to the nation on Tuesday, commemorating his mother's life, legacy and 70-year reign, which ended when she died on September 8, 2022, aged 96.
His Majesty will also use the message to "renew his vow of service", following a challenging start to his reign, including a cancer battle, estrangement from his 41-year-old son, Prince Harry, Duke of Sussex, and dealing with his 66-year-old disgraced brother Andrew Mountbatten-Windsor as more details emerge about his relationship with convicted paedophile Jeffrey Epstein - of which Andrew has always denied any wrongdoing.
A royal insider told The Mirror: "The start to the King's reign has not been without its obvious troubles, but there has been much to celebrate as well.
"He has been immensely positive in the face of adversity, continuing his cancer treatment while maintaining an incredible work rate.
"He has travelled extensively across the country and abroad, meeting two Popes, celebrating 50 years of the King's Trust (formerly the Prince's Trust) and pressing on with historic visits abroad.
"His message will be one celebration of an incredible life well lived and also an opportunity for him to renew his vow of service to the nation and the Commonwealth, but also speak to the values that he stands by - where fairness and the well-being of others matter most."
The King's message will take place on the day of Queen Elizabeth's 100th birthday, but more commemorations will be held around the anniversary.
These include a series of public engagements and a special reception at Buckingham Palace, with senior members of the royal family expected to attend alongside the King and 78-year-old Queen Camilla.
After next week's events, the King and Queen will travel to the United States for a State Visit hosted by President Donald Trump, which will run from April 27 to 30.
Australian Associated Press