Heo Ga-yoon

South Korean actress and singer (born 1990) Heo Ga-yoon허가윤Heo in September 2012BornHeo Ga-yoon (1990-05-18) May 18, 1990 (age 36)Goyang, South KoreaEducationDongguk UniversityOccupationsSingeractressYears active2011–presentAgentBS CompanyMusical careerGenreK-popInstrumentVocalsYears active2009–2016LabelCubeFormerly of4Minute2YoonUnited Cube Musical artistKorean nameHangul허가윤Hanja許嘉允RRHeo GayunMRHŏ Kayun Heo Ga-yoon (Korean: 허가윤; born May 18, 1990), better known by the mononym Gayoon, is a South Korean actress and singer. She is a former member of South Korean girl group 4Minute and its sub-group 2Yoon. Biography Early life and education Heo was born on May 18, 1990, in Goyang. She received second place at SM's 9th "Best Singer Contest" in 2005.[unreliable source?] She graduated from Dongduk Girl's High School. In 2008, Heo appeared in Mario's "I'm Yours" music video, with Seulong from 2AM. In 2011, she enrolled into Dongguk University where she majored in film and theater. On September 17, 2014, Heo, along other stars, were appointed as ambassadors of Dongguk University.[unreliable source?] She graduated in 2016.[unreliable source?] 2009–2012: 4Minute