Lonely
| Group | 씨스타 |
|---|---|
| Release | 2017-05-31 |
| Type | single |
| Title Track | Lonely |
Lonely is a single album by the K-pop group Sistar, released on May 31, 2017. The release is led by its title track "Lonely". Sistar debuted on June 3, 2010 under Starship Entertainment.