Heo Ga-yoon

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This is a Korean name; the family name is Heo.
Ga-yoon cropped.jpg
Background information
Birth name 허가윤
Born (1990-05-18) May 18, 1990 (age 24)
Seoul, South Korea
Origin South Korea
Genres Pop, dance, R&B
Occupation(s) Singer
Instruments Vocals
Years active 2009 - present
Labels Cube Entertainment
Associated acts 4Minute, 2YOON


4Minute - Gayoon's Signature.png
Ga-yoon's Signature
Korean name
Hangul 허가윤
Revised Romanization Heo Ga-yun
McCune–Reischauer Hŏ Ka-yun

Heo Ga-yoon (born May 18, 1990) is a South Korean idol singer. She is a member of South Korean girl group 4Minute and its sub-unit group, 2Yoon, along with Jiyoon, the latter formed by Cube Entertainment in 2013.


Ga-yoon was born on May 18, 1990 in Seoul, South Korea. Ga-yoon received second place at SM 9th "Best Singer Contest" in 2005.[1] She graduated from Dongduk Girl's High School and is currently attending Dongguk University, Theater Major.



Main article: 4Minute

Cube Entertainment announced Ga Yoon as a member of the girl group 4Minute under Cube Entertainment in May 2009 together with Jeon Ji-yoon, Kwon So-hyun, Kim Hyun-a and Nam Ji-hyun. Cube Entertainment released a teaser for their first single "Hot Issue" on June 10 while the single debuted on June 18. The group promoted the song from its release until mid-August.[2][3]

Solo activities[edit]

Ga Yoon appeared in Mario's music video "I'm Yours" on November 4, 2008 with Seulong from 2AM.

On February 11, 2010 Ga Yoon was featured on the soundtrack for The Woman Who Still Wants to Marry, singing a duet with Han Ye-ji in the song "One Two Three".[4]

On September 3, 2010, Ga Yoon was a featured artist in Sunny Side's album, "Bad Guy Good Girl" with the song "Bad Guy Good Girl".[5]

On October 2010, Heo Ga Yoon was one of twenty idols from different South Korean groups that recorded the song, "Let's Go", for the purpose of increasing public participation in the 2010 G-20 Seoul summit. She provided vocals along with labelmates Yong Jun-hyung and G.NA.[6]

Ga Yoon recorded "Wind Blow" for the soundtrack of MBC's My Princess. The song was released on January 5, 2011.[7]

She also recorded "Shameless Lie" for the soundtrack of SBS's Lie To Me, which was composed by Jadu and E-Tribe. The song was released on May 17, 2011.[8]

Ga Yoon made her acting debut through a "I’m a Flower Too" cameo. On October 18, a source revealed that Gayoon finished filming her cameo, as a high school student who was a childhood friend of Cha Bong Sun (played by Lee Ji Ah), on October 16.[9]

On October 24, 2011 she released her OST song "I Think It Was a Dream" for KBS's Poseidon.

Ga Yoon was also featured on Mario's song "Message" and promoted alongside him for that song.

In 2012, Ga Yoon played the role of Hyun Kyung, the leader of the 1980s’ most popular group "Purple Sisters" on MBC's "Light and Shadow" drama.

Ga Yoon made an appearance along with group mate Hyuna on Top Gear Korea in May 2013.[10] She became the fastest female celebrity (as of 2013) on the Star Lap Time segment, recording a lap time of 02:00.15 on the show.[11]

Gayoon released a solo single on November 16. The song is called "My Love By My Side" and is a duet with BtoB's Ilhoon.[12]

On the October 21 episode of the live music show Inkigayo, Gayoon performed a new song for the SBS Gayo Daejeon music spectacular. As part of Mystic White, Gayoon released the charity song "Mermaid Princess" on December 26, 2012.[13] The group would go on to perform the song in a one off performance during the year end SBS Gayo Daejeon show.

After Cube Entertainment's sub-unit Trouble Maker, there were plans for another sub-unit, this time composing of Ga-yoon and Ji-yoon.[14] The sub-unit's name was later announced to be 2YOON. 2YOON released their debut EP and lead single, 24/7 on 17 January 2013.[15]

In January 2014 HyunA, Gayoon, and Sohyun lent their voices for Brave Brothers‘ tenth anniversary album for the a track entitled “Only Gained Weight."[16]

On June 24, 2014 was revealed that Gayoon will take part in a new school-themed entertainment show for JTBC, entitled “I’m Going to School”. The show also featured actor Sung Dong Il, Koyote member Kim Jong Min, rock veteran Yoon Do Hyun and model Hye Park. The celebrities began shooting on June 23. The first episode of “I’m Going to School” aired on July 12.[17]

In September 2014 Gayoon became a new MC for OnStyle's 3rd season of fashion program Style Log together with Beast's Lee Gi-kwang and Do Sang Woo. The 3rd season of 'Style Log' premiered on September 12 at 9 PM KST.[18]


Main articles: 4minute discography and 2Yoon

As lead artist[edit]

Year TV Series Song
2011 MBC My Princess "Wind Blow"
2011 SBS Lie To Me "Shameless Lie"
2011 KBS Poseidon "I Think It Was a Dream"

As artist collaboration[edit]

Year TV series Song Artist
2009 What I Want To Do Once I Have A Lover "What I Want To Do Once I Have A Lover" Duet with Yoseob
Heart Damage "Heart Damage" Duet with Yong Jun-hyung
2010 MBC The Woman Who Still Wants to Marry "One Two Three" Duet with Han Ye Ji
Bad Guy Good Girl "Bad Guy Good Girl" Duet with Sunny Side
2012 Road For Hope "Be Alright" with Yoseob, G.NA and Lee Changseob
My Love By My Side Musical "My Love By My Side" Duet with Jung Ilhoon
Text Message "Text Message" Duet with Mario
- Mermaid Princess "Mermaid Princess" with Mystic White
2014 Ryu-Cube Donation Project "Small Moon" Duet with Yoseob, Eunkwang, Shin Ji-hoon & Ryu Hyunjin
MBC The Night Watchman's Journal "Wish" Duet with Yoseob


Television drama[edit]

Year Title Role Network Notes
2011 Me Too, Flower! High School Student MBC Cameo
2012 Light and Shadow Hyun Kyung MBC Minor Role
2013 My Friend Is Still Alive Herself KBS Cameo

TV Shows[edit]

Year Title Network Notes
2013 Happy Together KBS2 Season 3 Ep. 306
2014 Hello Counselor KBS Ep. 169
I’m Going to School JTBC Series regular
Style Log OnStyle MC, Season 3

Music video appearances[edit]

Year Song title Artist Role
2008 "I'm Yours" Mario Herself
2010 "Bad Guy Good Girl" Ver. 2 Sunny Side Herself
"Let's Go" G20 Summit Artists (Group of 20) Herself
2013 "Right There" Shin Ji-hoon Herself
2014 "12:30" Beast Herself


  1. ^ "Heo Ga-yoon Profile". Naver People. Naver Corp. Retrieved 22 December 2014. 
  2. ^ "KBS World – 4minute". KBS World. Retrieved August 27, 2012. 
  3. ^ "4Minute Celebrates Five Years Since Debut With “Thank You” MV for Fans". Soompi. Retrieved 22 December 2014. 
  4. ^ 4minute’s Gayoon & Han Ye Ji release One Two Three
  5. ^ 4minute’s Gayoon jumped at the chance to feature for Sunny Side
  6. ^ "20 idol singers unite to sing the G20 Seoul Summit theme song". allkpop.com. September 30, 2010. Retrieved December 31, 2010. 
  7. ^ 4Minute’s Gayoon released her track, “Wind Blow,” for the drama “My Princess"
  8. ^ 4Minute’s Gayoon sings for “Lie to Me” soundtrack
  9. ^ 4minute’s Gayoon to make acting debut through ‘I’m a Flower Too’ cameo
  10. ^ Go, Jae-wan (15 May 2012). 포미닛 현아 가윤 '탑기코' 최초 걸그룹 도전 '눈길'. The Chosun Ilbo (in Korean). Retrieved 6 July 2013.  Translated into English at "4minute's HyunA and Gayoon to appear on 'Top Gear Korea'". Breaking K-pop news, videos, photos and celebrity gossip. allkpop. Retrieved 6 July 2013. 
  11. ^ Hosted by Jung Hyung-don, Defconn (13 January 2013). "Guest: 2YOON". Weekly Idol. 22:54 minutes in. MBC.
  12. ^ 4Minute’s Gayoon sings for musical "My Love By My Side"
  13. ^ Mystic White (Jiyoung, Bora, Sunhwa, Gayoon, Lizzy) release “Mermaid Princess” track
  14. ^ Lee, Eun-jung (26 December 2012). 포미닛 가윤·지윤, '쌍윤' 결성..1월 신보. Yonhap News (in Korean). Retrieved 25 February 2013. , translated to English at "Ssangyoon Sub-Unit to Debut in January". 4-minutes Forum. 2012-12-24. Retrieved 2013-02-25. 
  15. ^ 4minuteofficial (2013-01-16). "2YOON - '24/7' (Official Music Video)". YouTube. Retrieved 25 February 2013. 
  16. ^ 4Minute Featured in Brave Brothers’ Anniversary Album with “Only Gained Weight”
  17. ^ Brian, 4Minute’s Gayoon and Other Stars Return to School for jTBC Show
  18. ^ Kikwang, Gayoon, and Do Sang Woo are a stylish trio for '1st Look'


External links[edit]