- Han Hye Ri
- Shim Chae Eun
- Lee A Ra
- Lee Si Eun
- Yunji (Leader, Main Vocal, Lead Dancer)
- Yeori (Main Rapper, Main Dancer, Vocal)
- Hyogyeong (Lead Vocal, Lead Rapper)
On May 7, 2016, was revealed that Star Empire Entertainment had plans on debuting a new girl group, named OMZM at this time. The former Produce 101 contestants Han Hye Ri, Kang Si Hyeon and Kim Yun Ji were included in the first line-up. Days later, Shim Chae Eun, formerly under Starship Entertainment, was announced as a new trainee of Star Empire and was added to the line-up, however she left two months later.
2017: Empire Girls
In 2017, Han Hye Ri announced her departure from the group and from the label. Later, Star Empire announced seven trainees to join the survival reality Mix Nine: Lee A Ra, Choi Ji Yeon, Jang Hyo Gyeong, Lee Si Eun, Lee Da Won, including Kang Si Hyeon and Kim Yun Ji. At this time, they were known as Empire Girls. Lee A Ra and Lee Si Eun left the group at unknown time.
2019: Debut as ARIAZ
On September 16, 2019, Star Empire announced that Empire Girls would be officially debuting under the name ARIAZ and under their new sub-label Rising Star Entertainment.
2021-22: Comeback, Member Departures & Disbandment
On June 26, 2021 ARIAZ made their comeback after two years of hiatus with the digital single "Niga Cham Joha" which is a cover of Jewelry's – a former Star Empire girl group – song of the same name. On September 30, they released another digital single covering Jewelry's song "Hot & Cold (2021)".
On April 9, 2022, Rising Star Entertainment announced that Yunji, Yeori, and Hyogyeong had terminated their contracts. On April 10, Jueun also announced her departure. The other members also released good bye letters on Instagram.
- Official Fanclub: Achoo (아쯔)
- [2019.10.24] Grand Opera