Girl's Day

Girl's Day (Korean: 걸스데이) is a South Korean girl group formed by Dream T Entertainment in 2010. The group consists of members Sojin, Minah, Yura, and Hyeri. Members Jisun and Jiin officially left the group in 2010, while Jihae left in late 2012.

After said member departures, the quartet went on to become one of the most popular and commercially successful groups of its era. In order of release, the group's biggest hits include "Twinkle Twinkle", "Hug Me Once", "Expect", "Something", "Darling", and "Ring My Bell", all of which have sold more than one million digital copies each.