Lee Mi-joo 'Stay calm today.'

KBS Music Bank rehearsal was held at KBS in Yeouido, Yeongdeungpo-gu, Seoul on the morning of the 4th.

Lovelies Lee Mi-joo poses as she heads for rehearsal.

About Music Bank

Music Bank is a South Korean music program which airs every Friday at 17:00 KST on KBS2. As of 2015, the show is also broadcast in more than a hundred countries through KBS World.  Wikipedia