KBS 2TV Happy Together Season 4 recording was held at the KBS annex in Yeouido-dong, Yeongdeungpo-gu, Seoul on the afternoon of December 29.
Kim Kwang-gyu, Don Spike, JeA, Cheetah, Seventeen Mingyu and Cheongha attended the guests
Lee Jae-ha
About JeA
Kim Hyo-jin better known by her stage name JeA is a South Korean singer and songwriter. She is best known as the leader of South Korean girl group Brown Eyed Girls. As a solo artist, she has contributed numerous songs to various soundtracks.
 Wikipedia