Big Bang 2 is South Korean boy band Big Bang's third Japanese album. It was released on May 11, 2011.

BigBang is a South Korean boy band formed by YG Entertainment. The group consists of three members: G-Dragon, Taeyang, and Daesung. Originally a five-piece band, Seungri retired from the entertainment industry in March 2019 and T.O.P left in May 2023. Dubbed the "Kings of K-pop", they helped spread the Korean Wave internationally and are considered one of the most influential acts in K-pop. They are known for their trendsetting musical experimentation, self-production, and stage presence.