Ferdinand Marcos Jr has been sworn in because the Philippine president in a ceremony in Manila, succeeding the outgoing chief Rodrigo Duterte.
His inauguration marks a shocking comeback for the Marcos political dynasty, which was ousted after a well-liked revolt in 1986.
Mr Marcos Jr – nicknamed Bongbong – gained an election landslide final month.
Sara Duterte, the daughter of the outgoing president, is being sworn in as vice-president.
Mr Marcos Jr took his oath of workplace at noon native time (0400GMT) in a vibrant ceremony on the Nationwide