KBS 2TV Music Bank' rehearsal was held at the public hall of KBS New Pavilion in Yeouido, Yeongdeungpo-gu, Seoul on May 18th.
Lovelyz (Baby Soul, Yoo Ji-ae, Seo Ji-su, Lee Mi-joo, Kei, Jean, Ryu Soo-jung and Jeong Ye-in) attended the ceremony.
yun da-hee
About Lovelyz
Lovelyz was a South Korean girl group formed in 2014 by Woollim Entertainment and is the company's first girl group. The group consists of eight members: Baby Soul, Jiae, Jisoo, Mijoo, Kei, Jin, Sujeong and Yein.
 Wikipedia