Kim Hyun Joong treated fans to his six pack this Christmas for 'The Star'! The idol-turned-actor previously showed off his six pack for his 'Round 3' promotions and it seemed he had maintained his abs for his role as a fighter in his upcoming KBS 2TV drama 'Generation of Youth.' Kim Hyun Joong also looked towards the camera at different angles, giving fans a good look at his sculptured face and figure. Check out Kim Hyun Joong's talk about his upcoming 10th anniversary and more in the magazine's January issue! 'Generation of Youth' will premiere on January 15!