1989–2004: Early life and childhood Jun Hyoseong was born in
Cheongju, 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. She admitted: In middle school, she was the leader of her school's dance club and worked part-time jobs to earn the money to travel to Seoul for auditions. She was picked as the final 6 and later went on to sign a recording contract with Good Entertainment. Good Entertainment had initially intended for Hyoseong to debut in a three-member group along with Yoobin and Uee, but ended up adding G.NA and Jiwon. They were set to debut as a five-member group called Five Girls. Her father was still weak when he decided to go back to work to support his family and the cancer recurred, this time being much more aggressive. The doctors told Hyoseong's family to "be ready". Her father died of lung cancer in 2008. They released their debut single "
I Want You Back" in October 2009. In April 2010, Secret released their first mini album entitled
Secret Time which spawned the hit single "Magic" and served as their breakthrough song in South Korea. In August 2010, they released their second mini album entitled "Madonna" and the title track continued their success as it topped the Gaon Single Charts. In January 2011, the group deviated from their "sexy" and "sassy" image and released "
Shy Boy", a "cutesy" and retro inspired song. The same year, Secret began a foray of Japanese activities with the Japanese release of Madonna and Shy Boy. In February 2012, she played Soo Yeon in the sitcom
Salamander Guru and The Shadows that aired on SBS. On the October 21, 2012 episode of
Inkigayo, the live music show revealed a teaser video hinting that twenty of the most-wanted K-pop stars would transform into four new project groups in the yearly event. Hyoseong will be part of the girl group Dazzling Red with
Sistar's
Hyolyn,
4minute's
Hyuna,
After School's Nana and
KARA's Nicole.
Brave Brothers was set to produce the group's new title song. Slated to air on December 29, the group will perform the tunes only one time on stage and the profits from online streaming and downloading of the songs would be donated to people in need. The song "This Person" was released on December 27, 2012. receiving praises for her performance. On May 12, 2014, she released her solo debut album
Top Secret, holding a showcase at the Ramada Hotel Club Vanguard on the same day. A month later, she was cast in
KBS1 daily drama
My Dear Cat. Hyoseong released her first extended play titled
Fantasia on May 7, 2015. She took part in writing lyrics for the album on two songs. In the same year, Hyoseong reprised her role as Han Na-young in the second season of
The Ghost-Seeing Detective Cheo Yong. On March 28, 2016, Hyoseong released her second extended play titled
Colored.
Find Me was promoted as the lead single and featured TS Entertainment labelmate D.Action from the hip-hop duo
Untouchable. Hyoseong's work on the drama earned her the Special Acting Award – Actress in a Genre Drama at the 2016 SBS Drama Awards. In October 2016, it was announced that Hyoseong would be replacing Cao Lu as one of the hosts on the talk show
Video Star. She was chosen for her "great passion and perseverance for work," and for "her realness and honesty." In 2017, Hyoseong was cast as Kim Gyori on the
tvN drama
Introvert Boss. Hyoseong expressed her difficulty with this role in an interview with
BNT International stating, "It was frustrating. I'm not the type to keep things to myself, but Gyori was the opposite. I think a lot and can be shy, but I am extroverted to the extent that I express what I want to say. The director allowed us to ad-lib some parts, and it was hard at times to keep my real outgoing personality from coming out."
2018–present: Legal disputes with TS Entertainment and change of entertainment label On February 28, 2018, it was reported that Hyoseong was in legal disputes with her agency TS Entertainment due to issues with not receiving payments. On March 5, Hyoseong's lawyer revealed that she had filed a civil lawsuit in September 2017 to confirm that her contract with the agency was no longer valid. Aside for the unreceived payments, her lawyer cited a transfer of the management rights conferred by her exclusive contract to another party without her consent. Her lawyer also stated that it would be unlikely of Hyoseong to remain a member of Secret while under TS Entertainment due to the lack of trust and communication between the agency and the singer. On October 29, it was announced that she would return to the entertainment industry after signing with Tommy & Partners Entertainment. On November 14, the Seoul Western District Court ruled in Hyoseong's favor, confirming the invalidity of her contract with TS Entertainment and condemning the agency to pay her approximately 130 million won (approximately $114,840) in remaining down payments and unpaid wages. In April 2021, Jun signed a contract with the IOK Company. On September 6, 2022, it was announced that Hyoseong would be releasing "Come to the Story of the Sea" as the travel theme song for the "2022 Welcome to Lively Incheon project." ==Personal life==