Mnet M Countdown' rehearsal was held at Sangam-dong CJ E & M Center in Mapo-gu, Seoul on the afternoon of the 17th.
Singer Cheongha attended Mnet M Countdown' rehearsal.
On this day, M Countdown' was attended by group Apink, Cheongha, LaBoom, space girl, girlfriend, big, Nature, Berry Berry, ETIZ, Gracie, Enflying and Astro.