Brave Girls (Korean: 브레이브걸스; RR: Beureibeu Geolseu; also known as B. Girls or BG) is a South Korean girl group formed by producer Brave Brothers in 2011 and managed by Brave Entertainment. After making their debut with the single album The Difference on 7 April 2011, the group has since released four mini-albums, including Back to da Future (2011), Re-Issue (2012), High Heels (2016), and Rollin' (2017). Initially a five-member group, Brave Girls has undergone multiple lineup changes and currently consists of Minyoung, Yujeong, Eunji, and Yuna, with no original members remaining. In 2021, the group gained a sudden surge in popularity after their song "Rollin'" unexpectedly went viral.