9MUSES (also stylized as NINE MUSES) was a girl group under Star Empire Entertainment. They originally debuted with nine members on August 12, 2010 with their first single "Let's Have a Party". They disbanded on February 24, 2019 following their final fan meeting.
The final lineup was composed of Hyemi, Gyeongree, Sojin, and Keumjo.
On March 26, the official lineup of the group was announced; Jaekyung, Rana, Bini, Lee Sem, Eunji, Sera, Euaerin, Hyemi, and Minha. The group debuted on August 12, with the single album "Let's Have a Party". They promoted the title track "No Playboy", which was produced by Rainstone and Park Jin Young. In October, Jaekyung dropped out to peruse a modeling career, and was replaced with Moon HyunA.
The group also promoted the song "Ladies" from their debut single album. Along V.O.S and ZE:A, 9MUSES performed 6 songs on Seoul Train* on December 26 to venture out into Japan.
On February 11, Star Empire announced through the group's fancafe that 9MUSES will disband following their final fan meeting to be held on the 24th. A digital single titled "Remember" was released on February 14.