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.
Secret (South Korean band) Secret (Hangul: 시크릿 ) is a South Korean K-pop girl group formed by TS Entertainment in 2009. The group originally debuted with four-members: Jun Hyoseong, Jung Hana, Song Jieun and Han Sunhwa. Former member Han Sunhwa officially departed from the group in October 2016. They released their debut single "I Want You Back" October 2009. Secret's debut single did not meet great success and it wasn't until the following year that the group saw a rise in popularity. In 2010, Secret released two singles "Magic" and "Madonna" which earned much attention with both singles peaking at No. 2 and No. 1 respectively on the Gaon Digital Chart. With the success of "Magic" and "Madonna", the group received the "Newcomer Award" at the 25th Golden Disk Awards. During Secret's early days the group was known as "basement-idols" because of the poor living conditions they were in, but with their rapid success the group was able to move into better conditions.