Buckingham Palace offered a peek into a private dinner, hosted by King Charles to celebrate special occasion.
On Wednesday, February 4, the 77-year-old monarch hosted an intimate accession anniversary dinner for the spiritual leader of the Ismaili Muslims, Rahim Al-Hussaini at Windsor Castle.
The black tie dinner was held to celebrate one year of Rahim's ascension - who became the Aga Khan V after the passing of his father, Karim Aga Khan.
Charles had awarded the new Aga Khan the title "His Highness" last year, continuing a long-standing royal tradition.
Aga Khan's family members also joined the duo at the gathering held in honour of the billionaire
Royal Family's official Instagram account shared a photograph of the 50th hereditary Imam and the King standing side by side in the castle's Grand Corridor.
For the occasion, King Charles opted for a slick Windsor Coat dinner jacket with scarlet collar and cuffs.