Sistar (Hangul: 씨스타, 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.[1][2][3] 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.
Sistar began their group activities early in 2010 with commercials and magazine photoshoots.[4] They made their official debut with the song "Push Push" on 3 June 2010.[5] Sistar had their debut performance on 4 June on Music Bank and continued promotions on various Korean music shows through 26 July.[6]
The group returned with their second single "Shady Girl" on 25 August. The music video featured Super Junior member Kim Heechul.[7][8] The group received a lot of media attention when a fan-taken video was uploaded online showing the group filming their performance at "Let's Start Sharing Concert" on 28 August. During the middle of their performance, member Bora suddenly fell onstage, fracturing her thumb. This prompted the other members to stop singing and assist her off the stage with the help of staff. Several minutes later, Bora returned to stage along with the other members to finish filming their performance. The video went viral on the internet and was featured on G4's online show Attack of the Show!, and an RTL Television news segment.[9][10]
On 14 September, Sistar was invited to perform in Japan's "Hallyu Music Festival" as the only Korean girl group present.[11] On 10 October, Sistar performed on the show Teen Superstar in Thailand.[12] The group released their third single, "How Dare You," in November.[13] On 9 December the group attended the Golden Disk Awards and won the "Newcomer Award."[14] On 27 December, Sistar won their first music show award for "How Dare You" on Music Bank.[15]
On 27 April it was announced that Sistar would debut a sub-unit, Sistar19, with members Hyolyn and Bora.[16] Their debut song, "Ma Boy", was released on 3 May.[17] Sistar19 had their debut performance on 5 May and promoted throughout the month.[18] Sistar returned on 9 August with their first studio album entitled So Cool.[19] "So Cool" was the inaugural number one song on the Billboard Korea K-Pop Hot 100 chart after the chart's launch on 25 August.[20] On 11 September Sistar won their first "Mutizen Award" on Inkigayo.[21]
In early April it was announced that Sistar was going to broadcast their "So Cool" comeback showcase globally in 41 countries.[22] Their first mini album, entitled Alone, was released on 12 April and contained six songs produced by Brave Brothers.[23] Their second mini album, Loving U, was released on 28 June. The mini-album contained the title track, "Loving U", produced by Duble Sidekick, one new song "Holiday" and remixes of the groups' past
