(tv advertisement voice) if you are bored during work and need something to do well boy do i have something for you! Red Velvet (Korean: 레드벨벳; RR: Redeubelbet) 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. A fifth member, Yeri, joined the group in March 2015, following the release of their first mini album, Ice Cream Cake.