Iron was one of K-pop’s most controversial stars: from working with BTS’ RM to duetting with AOA’s Jimin, 6 defining moments in the troubled idol’s life

• The South Korean rapper was pronounced dead outside his Seoul home on January 25, aged 29
• After finding fame on rap reality show Show Me the Money, he worked with K-pop idols including BTS’ RM, Supreme Boi and AOA’s Jimin