King Charles has hosted a black tie accession anniversary dinner for the billionaire spiritual leader of the Ismaili Muslims, Rahim Al-Hussaini, who was named as the Aga Khan V.
The King granted the new Aga Khan the title "His Highness", continuing a long-standing royal tradition.
Charles, 77, welcomed the 50th hereditary Imam of the world's millions of Ismaili Muslims to Windsor Castle on February 4.
The pair were pictured side by side in the castle's Grand Corridor.
The King hosted the billionaire spiritual leader of the Ismaili Muslims | PATRENDING
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His Majesty dressed in his slick Windsor Coat dinner jacket with scarlet collar and cuffs.
The duo were joined at the private dinner by members of the Aga Khan's family.
Charles last received the-then Prince Rahim at Buckingham Palace in July 2023 in his capacity as a member of the Aga Khan Development Network and Aga Khan Foundation.
The Aga Khan is considered by his followers to be a direct descendant of the Prophet Muhammad and is treated as a head of state.
The duo were joined at the private dinner by members of the Aga Khan's family
|PA
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According to tradition, the Windsor Uniform is worn by male members of the royal family and select household members, as approved by the King, at castle events that require evening dress.
The earliest version of the coat was first introduced by George III in 1779.
The late Aga Khan, a billionaire philanthropist, was a longtime personal friend of both the King and Queen Elizabeth II.
He shared a passion for horse racing with the late monarch, often watching the sport together at Royal Ascot.
The late Aga Khan was a longtime personal friend of Queen Elizabeth II
|GETTY
He also owned Shergar, the Derby-winning racehorse kidnapped from his Irish stud farm in 1983 and never recovered.
The Ismailis are a Shia Muslim group who revere a number of Imams.
They have a worldwide population of about 15 million, including 500,000 in Pakistan, while boasting a large presence in India, Afghanisation and parts of Africa.
Prince Karim Aga Khan succeeded his grandfather as Imam of the Ismaili Muslims in 1957, aged 20.
Prince Rahim is the 50th hereditary Imam of the Ismaili Muslims | GETTYHe died surrounded by family in Lisbon, Portugal, which is the seat of the Ismaili Imamat.
During his time as the spiritual leader of the Ismaili Muslim community, the late Aga Khan played a key role in establishing a charity that operates hundreds of hospitals, educational institutions, and cultural initiatives, primarily in the developing world.
He was also known for his immense wealth. Forbes magazine estimated his fortune in 2008 at $1billion (£801million).
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