Rainbow performing at the Korea KPOP World Festival. During late October and early November 2009, DSP Media released daily in the form of pictures of Rainbow, and then a music video for 'Gossip Girl' on November 6, 2009. On November 12, the five-song Gossip Girl was released. On August 12, 2010, Rainbow released the single '. A second single, ', was released on October 20.

호이호이 Hoi Hoi “Hoi Hoi” Hoi Hoi (호이호이) [1st single] 2012.01.12 Seung A, Ji Sook, Hyun Young Lyrics/작사: 김혜성 Composer/작곡: 박세현. More Rainbow Pixie Hoi Hoi images.

In April 2011, Rainbow released their second EP,. One song from the EP, 'To Me', was released as a single. On September 7, 2011, Rainbow topped 's weekly download rankings for the Japanese release of their 'A' music video. On September 14, 2011, Rainbow released their debut single in the Japanese market, 'A', and reached No. 3 on 's daily single chart, selling 10,141 copies.

The single release included a Japanese of their debut single 'Gossip Girl', as well as an exclusive. Rainbow made their Japanese TV debut on the show Sukkiri, performing 'A'. On December 7, 2011, the group released their second Japanese single, a Japanese version of the song 'Mach' (: マッハ), and reached No. 9 on Oricon's weekly chart.

[ ] 2012–13: Rainbow Pixie, Over the Rainbow and Rainbow Syndrome [ ]. Rainbow in 2012 Asia Model Festival Awards On January 3, 2012, DSP Media announced that a section of the group will be formed as a. On the same day, a teaser image was revealed on DSP Media's website, revealing 'Rainbow Pixie' as the trio's name.

On January 4, 2012, another image revealed the members of the group as SeungAh, Jisook and Hyunyoung. The group released their debut song, ', on January 12, 2012, and held their first performance on Show! [ ] Rainbow released a Japanese single on March 14, 2012, entitled ' (: ガナガナGO!). Their Japanese debut album,, was released on March 28.

The group released the first part of their first studio album,, on February 13, 2013. 2014–16: Rainbow Blaxx, Innocent, Prism and disbandment [ ]. Rainbow with in September 2016. A second subunit, named Rainbow Blaxx, was formed in January 2014 consisting of Jaekyung, Woori, Seungah and Hyunyoung. Their special album, RB Blaxx, was released on January 20, 2014. The music video for the title track, 'Cha Cha', was directed by and was the fourth-most viewed K-pop music video globally in January 2014.

The music video, as well as the song's choreography, drew controversy for being 'too sexual'. Rainbow's third mini album, and the music video for its title track, 'Black Swan' were released on February 23, 2015. Xigmatek Durin D982 Installation.

Their fourth mini-album and the music video for its title track 'Whoo' was released on February 15, 2016. They also held their commemorative showcase at the Yes24 Muv Hall in Seoul's Mapo-gu, which was broadcast through the Naver V App on the same day as the album release. Rainbow held their first comeback stage with 'Whoo' through SBS MTV's on February 16. In the summer 2016, Rainbow collabored with Makestar and various photographer to release their first photobook titled 'Up Close' and sponsored by the groups fans around the world, funding started on August 2. On October 27, 2016, it was confirmed that the members of the group choose not to resign with DSP Media and that Rainbow would be disbanded as their contracts were set to end, on November 12.

Prior to disbandment, the members went on a farewell trip to Southeast Asia. • (in Korean). November 6, 2009. Retrieved July 5, 2010. • (in Korean).

November 6, 2009. Retrieved July 6, 2010 • (in Korean).

Retrieved July 5, 2010 • (in Korean) naver.com. September 15, 2011. Retrieved on 2012-07-01. • (in Korean).. January 4, 2012. Retrieved January 4, 2012 •.. January 14, 2012 • (in Japanese)..

February 15, 2012. Retrieved February 15, 2012. • Park, Hani (14 February 2013).. Retrieved 2016-03-22.

7 March 2014. Retrieved 2016-03-22. • Hong, Grace Danbi (20 January 2014).. Retrieved 2016-03-22. 27 March 2014. Retrieved 2016-03-22.