Dressed in a pinstriped navy-blue suit, Charles greeted the Sultan of Brunei, Darussalam Hassanal Bolkiah, who is the world’s ...

King Charles has held an audience with the Sultan of Brunei, the world's longest-reigning monarch, at Buckingham Palace today ...

Thailand's King Maha Vajiralongkorn is currently the world's richest monarch. Find out his net worth and the sources of his ...

On the other hand, Darussalam Hassanal Bolkiah, 76, went for a black two-piece suit with a purple tie and a pocket square.