Wonder Girls is one of the best 2nd generation KPOP girlgroups. They made debut on 10/2/2007 under JYP Entertainment with 5 members at the beginning: Yeeun, Sunye, Sunmi, Hyuna and Sohee. In July 2007, Hyuna left the group and was replaced by Yubin. In January 2010, Sunmi postponed her musical career and was replaced by Hyerim. In November 2012, Sunye announced that she would get married and officially retired from the entertainment in 2014. In December 2013, Sohee left the group. The group went into hiatus (2013-2015). Until July 2015, WG would return as a band and Sunmi re-join the group. They continued with 4 members: Yubin, Yeeun(leader), Sunmi and Hyerim. on 10/2/2017, the group disbanded. Fandom: WonderFul.