Pre-debut

She was a trainee at JYP Entertainment before switching to DSP Media.^{[3][unreliable source?]} While under DSP Media, in 2007 she was asked if she wanted to debut as a member of Kara. Kim turned the offer down because she thought she would be happy with her Rainbow members.^{[4][unreliable source?]} In 2007, she was asked to join SM Entertainment, hinting at the possibility that she may have joined Girls' Generation.^[4] In 2008, she appeared in SS501's song "A Song Calling For You" music video before debuting as a Rainbow member.^{[citation needed]}

2009–2016: Rainbow, Rainbow Blaxx, solo activities

Kim debuted as leader of girl group Rainbow on November 12, 2009, with the release of mini album Gossip Girl.^[5] The group's first broadcast performance of "Gossip Girls" was held at MBC's music show Show! Music Core on November 14, 2009.^{[citation needed]}

In 2010, she became a cast member in the variety television show Honey Jar.^[6] That same year, she also became a cast member in the school variety show 100 Points Out of 100.^{[citation needed]}

On March 31, 2012, Kim had her first leading role as Na Yoo-mi in the JTBC's drama Monster.^[7] Later that year, she became a cast member in the variety television show Law of the Jungle W.^{[8][9][unreliable source?]}

In December 2013, she was confirmed for tvN's new reality program, The Genius: Rule Breaker, with 12 other representative figures from different fields of work such as TV personalities, politicians, gamblers, and more. She was the second person eliminated.^[10]

Jaekyung, Woori, Seungah, and Hyunyoung debuted as Rainbow Blaxx, the second official sub-unit of Rainbow, in 2014.^[11] The group released their first mini album titled RB Blaxx on January 20, 2014.^[12]

Kim was cast in a supporting role in the 2014 drama Inspiring Generation. In 2014, she was also part of the main cast in Quiz of God 4.^[13] On January 12, 2014, she was a guest on Running Man.

In 2015, she entered the main cast of tvN's Always Cantare 2.^[14] She also starred in Noble, My Love as Cha Yoon-seo, a veterinarian who runs her own animal hospital, across from Sung Hoon.^{[citation needed]}

In 2016, she became a host on Beauty Bible, alongside Jessica Jung.

On October 27, 2016, it was confirmed that Rainbow would be disbanding following the expiration of the members' contracts.^[15] In December 2016, Kim signed with new management agency Namoo Actors to start afresh as an actress.^[16]

2017–present: Acting roles

In 2018, Kim was cast in Life on Mars as Han Mal-sook.^[17] Later that year she appeared as part of the main cast in Bad Papa as Cha Ji-woo, the youngest female lieutenant.^[18]

In 2019, Kim appeared as Veronica Park, the CEO of a film production company and an heiress with an audacious personality, in The Secret Life of My Secretary.^[19] This led to her being nominated for Best Supporting Actress at the 2019 SBS Drama Awards.^{[citation needed]}

In 2021, Kim appeared in The Devil Judge as Oh Jin-joo, an associate judge who idolizes Yo-han (Ji Sung).^[20]

In 2022, Kim appeared as Kim Han-mi, a former delinquent and current reporter who assists Hee-woo (Lee Joon-gi) against corrupt officials, in Again My Life.^[21]

Soundtrack appearances

Films

Television series

Web series

Television shows