What group formed in 2010 by Starship Entertainment released their fourth extended play on June 21, 2016?
Sistar Sistar (, often stylized as SISTAR) was a South Korean girl group formed in 2010 by Starship Entertainment. The group consisted of Hyolyn, Bora, Soyou, and Dasom. Their debut studio album "So Cool" was released on 9 August 2011. Their second album, "Give It to Me," was released on 11 June 2013. Their biggest hits include "So Cool", "Alone", "Touch My Body", "Loving U" and "Give It to Me". Their fourth single, "So Cool," debuted at number one at "Billboard" Korea K-Pop Hot 100 singles chart.
Stellar (South Korean band) Stellar (Hangul: 스텔라, stylized as STELLAR) is a South Korean girl group whose current line-up is composed of Minhee, Hyoeun, Soyoung & Youngheun. Formed in 2011 by The Entertainment Pascal, the group attracted attention as they were initially produced by Eric Mun of the boy band Shinhwa. Following an unsuccessful debut with the single "Rocket Girl" in August 2011, Stellar underwent a line-up change and released "UFO" in February 2012, which fared similarly.