Premise: Kwon Bo-ah ( 권보아 , , クォン ・ ボア , 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 . Lee Min-Ho ( born May 10 , 1982 ) , better known as Boom ( Hangul : 붐 ) , is a South Korean rapper , singer , actor , radio host , and television presenter . K-pop Star 2 . Yang Hyun-suk , Park Jin-young , and BoA returned as judges . Park Jin-young ( born December 13 , 1971 ) , better known by his stage name J. Y. Park or JYP , is a South Korean singer-songwriter , record producer , reality television judge and record executive .
Hypothesis: Singers were employed by K-pop Star 2.
Label: ENTAILMENT