Hyeju

In this Korean name, the family name is Son.

Hyeju
Hyeju in September 2023
Born
Son Hye-ju

(2001-11-13) November 13, 2001
Seoul, South Korea
Occupations
  • Singer
  • Rapper
  • Dancer
Years active2018–2025
Musical career
GenresK-pop
InstrumentVocals
Labels
Member of
Korean name
Hangul
손혜주
RRSon Hyeju
MRSon Hyeju
Signature

Son Hye-ju (Korean: 손혜주; born November 13, 2001), known mononymously as Hyeju and formerly as Olivia Hye (Korean: 올리비아 혜), is a South Korean singer. She debuted as the twelfth and final member of the South Korean girl group Loona and later as a member of its sub-unit Loona yyxy. She is also a member of the k-pop girl group Loossemble.

Early life

Son Hye-ju was born on November 13, 2001, in Sillim-dong, Seoul, South Korea[1], and from a young age aspired to become a singer.[2] After attending Chungshin Girls' High School alongside another LOONA member Choerry, she left to train at the FNC Academy before joining Blockberry Creative.

Career

Further information: Loona and Loona yyxy

Hyeju was selected as the twelfth and final member of Loona in early 2018 after a remarkably short training period of just one day at Blockberry Creative.[3] She was revealed under the stage name Olivia Hye on March 17[4] and released her self-titled debut solo single album on March 30 with the main track "Egoist".[5]

On May 30 same year, she was introduced as a member of Loona's third sub-unit, Loona yyxy, which released the EP Beauty & the Beat and its title track "love4eva" featuring Grimes.[6] She made her official debut with the full Loona group on August 20, 2018, with the EP [+ +] and the title track "Hi High".[7]

On March 1, 2022, Hyeju released a remake of the song "I'll Be Your Spring (봄이 되어줄게)" by Airman and Godak.[8]

On November 28, JTBC Entertainment News reported that nine members of Loona, including Hyeju, had filed an application for a provisional injunction to suspend their exclusive contract with Blockberry Creative, following member Chuu's expulsion three days earlier.[9] On June 16, the Seoul High Court ruled in Hyeju's favor, suspending her contract with Blockberry Creative.[10]

2023–present: CTDENM and debut with Loossemble

Further information: Loossemble

On July 5, 2023, Hyeju signed an exclusive contract with CTDENM. The agency announced she would promote under her birth name, Hyeju, moving forward.[11] On August 2, she was revealed as a member of Loossemble along with Loona members Hyunjin, Yeojin, Vivi, and Go Won.[12] Loossemble debuted on September 15 with their self-titled EP.[13] On November 29, 2024, CTDENM announced that the Loossemble members' exclusive contracts with the label had ended.[14]

On April 17, 2025, the Seoul Northern District Court officially terminated Hyeju's exclusive contract with Blockberry Creative.[15]

Personal life

On December 4, 2024, Hyeju attended a protest rally at the National Assembly demanding the impeachment of President Yoon Suk Yeol.[16] She expressed her solidarity, stating, "Some people might feel uncomfortable that I'm voicing my opinion about this, but I am a citizen of this country before I am an idol, so I think this is the right thing to do. Let's be strong!"[17]

Discography

For Hyeju's discography with Loona, Loona yyxy and Loossemble, see Loona discography, Loona yyxy § Discography, and Loossemble § Discography.

Singles

List of singles as lead artist, showing year released, selected chart positions, and name of the album
Title Year Peak chart positions Album
US World
[18]
"Egoist"[a]
(featuring Jinsoul) 		2018 9 Olivia Hye
"I'll Be Your Spring" 2022 — Non-album single

Songwriting credits

All credits are adapted from the Korea Music Copyright Association.[19]

Title Year Artist Album
"Real world" 2023 Loossemble Loossemble
"Girls' Night" 2024 One of a Kind
"Secret Diary" TTYL

Filmography

For Hyeju's filmography with Loona, see Loona § Filmography.
Year Title Role Ref.
2021 The Fishermen and the City (Season 3) Herself (Episodes 10–11) [20]
2022 Girl's Re:Verse Contestant (as Chonky Cat) [21]

Notes

  1. ^ credited to Loona, but the track is a solo by Hyeju

References

  1. ^ Orbit Japan Official Book Vol. 1. Warner Music Japan. December 2, 2021.
  2. ^ 나의 열한 살 (Eleven Memories). 1st Look (in Korean). No. 255. July 25, 2022.
  3. ^ "LOOΠΔ's Olivia Hye reveals she was only a trainee for one day". allkpop. March 19, 2019. Retrieved January 6, 2026.
  4. ^ Lee, Ji-seok (March 17, 2018). "이달의 소녀, '올리비아 혜' 까지 12 소녀 공개 완료". Sports Seoul. Retrieved January 19, 2026.
  5. ^ "이달의 소녀 올리비아 혜, 30일 솔로 싱글 'Olivia Hye' 공개". Sports Khan. March 30, 2018. Retrieved January 19, 2026.
  6. ^ Herman, Tamar (May 30, 2018). "Loona yyxy Teams Up With Grimes For Bouncy New Track 'Love4eva': Watch". Billboard. Retrieved January 6, 2026.
  7. ^ Herman, Tamar (August 20, 2018). "Loona Marks Formal Start Of K-Pop Career With Video For Vibrant Electro-Pop Single 'Hi High': Watch". Billboard. Retrieved January 6, 2026.
  8. ^ Kim, Seung-jin (February 25, 2022). "이달의 소녀 올리비아 혜, 공기남 '봄이 되어줄게' 리메이크". MBN Star. Retrieved January 19, 2026.
  9. ^ Park, Sang-hoo (November 28, 2022). [단독]이달의 소녀 비비·현진 제외 9명 계약 해지 소송 중 [[Exclusive] 9 contract cancellation proceedings excluding Loona Vivi and Hyunjin] (in Korean). JTBC. Archived from the original on November 28, 2022. Retrieved September 23, 2025 – via Naver.
  10. ^ Ko, Seung-ah (June 16, 2023). "이달의 소녀, 남은 5명도 계약 해지 승소...모두 블록베리 떠난다". News1. Retrieved January 19, 2026.
  11. ^ [단독] 前 이달소 여진-고원-올리비아 혜, 씨티디이엔엠과 전속 계약. Naver (in Korean). July 5, 2023. Retrieved January 6, 2026.
  12. ^ Yeo, Gladys (July 31, 2023). "LOONA's Hyunjin, Yeojin, Vivi, Gowon and Hyeju to re-debut as Loossemble". NME. Retrieved May 6, 2024.
  13. ^ Kim, Ye-na (September 15, 2023). 이달소 출신 루셈블, 오늘(15일) 데뷔...美 투어 먼저 [Loossemble, from Loona, debuts today (15th)...US tour first] (in Korean). Xports News. Archived from the original on September 15, 2023. Retrieved September 15, 2023 – via Naver.
  14. ^ Jang, Joo-yeon (November 29, 2024). '이달소 출신' 루셈블, 소속사와 전속 계약 종료...재데뷔 1년 2개월 만 [전문] [Loossemble , from Loona, ends exclusive contract with agency...1 year and 2 months since re-debut [Full text]] (in Korean). Ilgan Sports. Retrieved November 29, 2024 – via Naver.
  15. ^ Kim, Jun-tae (April 17, 2025). '소속사와 분쟁' 이달의소녀, 전속계약 무효소송 일부 승소. Yonhap News Agency (in Korean). Retrieved January 19, 2026.
  16. ^ [SC이슈] 아이즈원 이채연→이달소 올리비아혜...걸그룹도 나서기 시작했다. Sports Chosun (in Korean). December 8, 2024. Retrieved January 6, 2026.
  17. ^ "한국을 구해야 해서" "몸 녹이고 국회로" 탄핵 정국 소신발언하는 스타들. asiae.co.kr (in Korean). December 8, 2024. Retrieved January 6, 2026.
  18. ^ Billboard World Digital Chart:
    • "Egoist". Billboard. Retrieved January 7, 2026.
  19. ^ "Songs Registered Under HYEJU(10040530)" (in Korean). Korea Music Copyright Association. Retrieved January 7, 2026.
  20. ^ Kim, Na-young (July 16, 2021). "'도시어부3' 칠순 이덕화, 이순재→지창욱 영상 편지에 감동 "가장 행복한 생일"". MK Sports. Retrieved January 19, 2026.
  21. ^ Han, Hae-seon (January 23, 2026). "'이달소 소송' 패소 때문? 올리비아 혜, '소녀 리버스' 자진 하차". Starnews. Retrieved January 19, 2026.
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