RED Velvet Irene and Yeri have photo time at the KBS 'Music Bank' rehearsal held at the public hall of Seoul Yeouido-dong KBS new building on the morning of the 7th.
About Red Velvet
Red Velvet is a South Korean girl group formed and managed by SM Entertainment. They originally debuted on August 1, 2014, with the single "Happiness" with the four-member line-up of Irene, Seulgi, Wendy and Joy.
 Wikipedia