Kim Hyun Joong (born June 6, 1986) is a South Korean actor and singer. He is the leader and main dancer of popular boyband SS501 and a prominent style icon in Korea, winning multiple icon awards. He gained widespread popularity beyond Asia for his role as Yoon Ji Hoo in the 2009 hit drama series Boys Over Flowers and is now known worldwide as the perfect Baek Seung Jo in the hit series drama Mischievous/Playful Kiss.