4Minute (Korean: 포미닛, often stylized as 4MINUTE) was a South Korean girl group formed in 2009 by Cube Entertainment. The members of the group were Nam Ji-hyun, Heo Ga-yoon, Jeon Ji-yoon, Kim Hyuna and Kwon So-hyun. The group was known for its edgy dance-pop style and "girl crush" image that attracted a large female fan base. The group debuted in June 2009 with the single, "Hot Issue." They ultimately released one full-length Japanese album, Diamond (2010), one full-length Korean album, 4Minutes Left (2011), seven Korean extended plays, and multiple singles.