Kim Hyo Jung, known as Hyolyn (효린), born in December 11, 1990 (Incheon, Seoul, South Korea) made her debut as the former leader of SISTAR in 2010 with "Push Push". In 2013, she debuted solo with the album LOVE & HATE. SISTAR officially disbanded in 2017, and Hyolyn kept promoting as soloist under her own agency, bridʒ, after leaving Starship Entertainment. Due to her great vocal ability and stage presence on the show and other variety programs, she has been labeled as the Korean Beyoncé by some singers within country.