2005: Debut[edit]

오늘밤 일). Her official second single "A ha" was an uptempo R&B single whose dance routine was famously parodied by Park Kyung-lim onX-Man. Around the same time, Ivy also promoted "I Am a Fool" ( Korean :바본가봐), a ballad , which was performed in conjunction with "A ha". The album placed 48th for the year.Although inactive for most of 2006, she has collaborated with Shinhwa for their albumState of the Arton the track "Highway Star".

2007–2008: Breakthrough, controversy and hiatus[edit]

, performing very well on the charts. Due to the song's popularity, she received the 2007 M.net KM Music Festival award for Best Female Solo Artist. Despite its success, the song's music video caused controversy, as it recreated a fight scene between Tifa Lockhart and Loz fromFinal Fantasy VII Advent Children, without proper permission (the disclaimer appearing on the video did not satisfy the rights to use it). In April, the Seoul Central District Court banned the music video from being shown on television, stating that "most of the clip is noticeably similar to scenes from the film".The story has received coverage on gaming blogs internationally, including Kotaku , which noted that the director has stated that he was unable to find the contact info for Square Enix .

. Aguilera reportedly viewed video clips sent in by South Korean artists, as she wanted to choose the best. The artists were viewed for their dancing and singing abilities, as well as album sales.She performed as the opening act for the first concert on the first day, while Lee Min-woo of Shinhwa performed the following day.

In 2008, under the pseudonym "The Lighthouse", she wrote the lyrics for"Dear Mom..."for Girls' Generation 's mini-album Gee , and "마지막 선물" ("Last Gift") for SHINee 's first album SHINee World . The songs were composed by her boyfriend Kim Tae-Sung.

Ivy had a supporting role in the joint South Korean-Japanese 2008 mini-drama series"Tokyo Sun Showers"as Eun Bi, an aspiring singer.

"I Am...").The song was released on October 26, 2009 with a promotional video on the same day.

2009: Comeback[edit]

She also switched from Fantom Entertainment to De Chocolate E&TF.

However, her title song was chosen to be "Touch Me", a techno dance track written by PSY.The music video was released on October 23, 2009. However, it was banned from broadcast three days later for being too inappropriate for viewing of minors with its sexual references.

Ivy also stars in her own 13-episode reality show on M.net called "IVY BACK", the first episode airing on October 27, 2009. After performing a special showcase for her new album, Ivy officially made her comeback debut with "Touch Me" on SBS 's Inkigayo on November 1, 2009.

Due to problems between Ivy's ex-management company and MBC and KBS , she is unable to perform on weekly music shows such as "Music Core" and "Music Bank". Instead, she is only allowed to promote on M.net's M!Countdown. However, she was later given approval to perform and appear on SBS programs.

.Promotions for her third album ended on January 24, 2010.

2012–present: Comeback[edit]

On March 27, 2012, Ivy released a mini album titledInterviewwhich featured five ballad-type songs. The song "찢긴 가슴"("Broken Heart"), which was released with a music video, was chosen as the lead single. It debuted on the Mnet Pop singles chart at 18.

In 2013, Ivy made her comeback with the lead single of her new album titled "I Dance" featuring Yubin of the Wonder Girls .

• Nonstop 5,MBC, 2005
• Banjun Drama,SBS, 2005
• High Kick!,MBC2007(cameo, ep 97)
• Tokyo Sun Shower,SBS, 2008
• Monstar,Mnet, 2013(cameo, ep 5)

1. 총결산 국내 음반 판매량 집계
2. Kim, Tong-hyong. Court Bans Ivy’s Music Video. The Korea Times, April 6, 2007. Retrieved April 9, 2007.
3. Clip: Square Cracks Down On Korean Video
4. "신화 이민우(M) 크리스티나 아길레나의 남자로 낙점". Daum (in Korean). 2006-07-18. Retrieved 2007-06-19. 
5. Garcia, Cathy Rose A. (25 June 2007). "Christina Aguilera Shows Off Impressive Vocals". Korea Times. Retrieved 2 February 2013. 
6. '아이비, 컴백 초읽기 'MC몽 신곡 피처링'". Daum.com. September 24, 2009.
7. (Korean) 고현정 130억! 아니 이게 무슨 말이야? (Go Hyun Jung Worth 1.3 Billion Won? What is Going On?). SBS News. August 22, 2009. Retrieved August 22, 2009.
8. "남규리 vs 씨야, '얄궂은 운명' 재등장". October 28, 2009.
9. (Korean) 아이비, 고현정과 한 식구…3집 준비 박차 (Ivy Same Group as Go Hyun-jung...Preparations Start for Third Album). The Chosun Ilbo. August 20, 2009. Retrieved August 22, 2009.
10. '컴백' 아이비, 음원사이트 실시간 차트 1위. Daum.com. October 10, 2009.
11. Lee, Kyeong-ran. (Korean) 아이비, 미국서 앨범작업 10월 컴백 예정 (Ivy Preparing Album in States; Plans to Come Back in October). Joins.com. July 27, 2009. Retrieved August 22, 2009.
12. "TV복귀 아이비 “눈물아 안녕”". Yahoo News. December 10, 2009.
13. "아이비 주민번호 유출사고 ‘법적대응하겠다’". Nate. January 10, 2010.
14. http://www.ivynus.com/IVY.html
15. http://www.ivynus.com/IVY.html
16. "2007 M.net Korean Music Festival Winners list". MAMA. Retrieved 2014-06-12.