Sam Kim�has been charming audiences ever since his debut season on�'K-Pop Star 3,'�and the�singer talked about his dramatic weight loss in the latest episode of 'Cultwo Show,' which aired�on January 5.�

Sam Kim revealed that he had lost 25kg (55 pounds) compared to when he first appeared on 'K-Pop Star.' When asked what the secret was behind his weight loss, Sam replied, "There isn't really a secret�per se, I just added chicken breast to my usual diet."

Meanwhile, he mentioned Jung Seung Hwan and Eric Nam as his best buddies.�

Furthermore, he added that he had to change his name to '(?? pronounced Sam Gim)' since it overlapped with the�famous�chef, Sam Kim (??).

The singer is currently receiving much attention for singing OST Part 6 of tvN's Friday/Saturday drama 'Goblin' titled "Who Are You."�