The woman who was replced by You Hee-yeol on K-pop Star 3 is of what nationality?
K-pop Star 3:  BoA was replaced by You Hee-yeol, as she was focusing on her music career instead. BoA: Kwon Bo-ah (Korean: 권보아 , , Japanese: クォン・ボア, 権宝兒 , born November 5, 1986), commonly stylized and known by her stage name BoA, is a South Korean singer and actress active in South Korea and Japan.
South Korean