ViVi (Hangul: 비비)[4] is the fifth revealed member of LOONA and a member of its first sub-unit, LOONA 1/3.

She was born as Wong Ka-Hei (Cantonese: 黃珈熙)[5] on December 9, 1996 in Tuen Mun District, New Territories, Hong Kong.

She debuted on February 14, 2017 as a member and subsequently released her solo single album ViVi on April 17, 2017.


Early life (1996–2017)

ViVi was born in Tuen Mun District, New Territories, Hong Kong in 1996 as the oldest of three siblings. ViVi was inspired to pursue a career in Kpop after seeing music videos by BIGBANG and 2NE1.[6] Starting around 2011, ViVi worked as a freelance model in Hong Kong under the name Viian Wong.[7] She modeled for a variety of projects between 2011–2016, including a video tutorial for Blush Cosmetics,[8] and as a PlayStation model at Asia Game Show 2012.[9] ViVi also participated in a number of short YouTube skits,[10] presumably with friends.

ViVi was a student of Hong Kong vocal coach and backing singer Jony Wong in 2012.[11] [12] She also studied dance at an unknown place and time prior to 2016.[6]

ViVi most likely became a trainee under Polaris Entertainment/BlockBerry Creative in 2016. Like several other members of LOONA, she was initially a trainee under Polaris Entertainment who transferred over to BlockBerryCreative to participate in the LOONA project.

2017: Reveal, Debut in LOONA 1/3, solo debut, Woomanna, ViRryVes

On February 12, ViVi was revealed as a member of the then-upcoming sub-unit LOONA 1/3. She is the only member of LOONA to not release a solo album prior to her inclusion in a sub-unit. She and LOONA 1/3 debuted with “Love & Live” on March 13.

On March 31, the fourth “Who’s Next Girl?” teaser was released, and ViVi was officially revealed as the fifth member of LOONA on April 5. On April 17, she released her solo single album ViVi, including title track “Everyday I Love You” featuring HaSeul, and B-side “Everyday I Need You” featuring JinSoul. ViVi was the only member of LOONA to feature other members on both of her solo tracks prior to the release of Olivia Hye.

From June 30 to July 23, ViVi starred in the first season of the web drama Woomanna in a minor role as a waitress from overseas. She returned for the second season from August 23 to September 13 in a main role.

On November 27, she was featured in LOONA member Yves’s music video for “new”.

On December 13, ViVi, alongside fellow members Yves and Choerry, released a digital single called “The Carol 2.0” under the transverse unit ViRryVes.

2018: Debut in LOONA

On August 19, ViVi officially debuted as a member of LOONA with [+ +], featuring the title track “Hi High”. Hong Kong-based news site HK01 reported on ViVi’s debut, criticizing her lack of lines and screen-time in lead single “favOriTe”.


Single albums



Web Drama

Year Name Channel/Platform Role
2017 Do You Remember The First Time We Met? Season 1 YouTube ViVi (minor)
Do You Remember The First Time We Met? Season 2 ViVi (main)

Music Video Appearances

As Lead

Year Name Artist
2017 new Yves


  1. Official birthdate (NAVER result)
  2. Predebut height
  3. Daebak Jjang “(ENG) Show Champion Behind EP.106 Loona Cut” (@ 05:01) YouTube. 2018.09.07
  4. /viˈ.vi/, VEE-vee
  5. /wɔːŋ˩ kaː˥ hei˥/, wong GAH-HAY or KAH-HAY
  6. 6.0 6.1 loona-trans “I dreamed of being a Kpop star after watching Big Bang’s music video.” (Orig) Tumblr. 2017.03.12
  7. Kevin Law “Viian Wong” Flikr. 2011.10.15
  8. Blush HK “Makeup Tutorial for Work” YouTube. 2016.02.19
  9. PlayStation Asia “Asia Game Show 2012 - 1 minute highlight” @ 00:04, @00:29. YouTube. 2013.01.08
  10. Coco Cherry “男朋友𥄫女的方法&後果” YouTube. 2015.10.12
  11. 舊生Vivi 黃珈熙在韓國出道一年了,祝她事事順利,星途燦爛!😁”. Facebook. 2018.02.14
  12. Jony Wong Singing