Jun Hyo-seong (Hangul: 전효성; Hanja: 全 烋星; born October 13, 1989) often simply known as Hyoseong or Hyosung, is a South Korean singer and actress.
In 2005, she was a finalist in Mnet's Battle Shinhwa which led to her signing a recording contract with Good Entertainment. In 2007, she was going to debut in the group Five Girls, with G.NA, Wonder Girls' Yubin, After School's Uee and former T-ara member and former Spica member Yang Jiwon; however, the group disbanded before they were able to debut due to the company's financial problems. Hyoseong was later discovered by TS Entertainment through a show aired on SBS MTV called Diary of Five Girls and spent two years with the company as a trainee. In 2009, she debuted with Song Jieun, Han Sunhwa and Jung Hana as the four-member girl group Secret. Hyoseong debuted as a solo artist in 2014.
Jun Hyoseong was born in Cheongju, Chungcheongbuk-do, South Korea on October 13, 1989. Hyoseong's name is derived from the word '유성' which is Korean for 'meteor'. She was named this way as her father and maternal grandmother saw a shooting star across the sky on the day of her birth. Hyoseong's family struggled financially and she and her family earned extra money by delivering newspapers every morning since she was in 3rd grade. Ever since she was young, she was known amongst her friends for her singing and dancing skills. However, she never had thoughts of actually becoming a singer until she was in 6th grade. She admitted: