B2K was an American boy band formed in 1998, known for their R&B and hip-hop music. The group consisted of members Lil' Fizz, J Boog, Raz-B, and Omarion. They gained popularity in the early 2000s with hits like "Bump, Bump, Bump" and "Girlfriend," appealing primarily to a teenage audience. The band released several albums, including their self-titled debut in 2002, which featured a mix of catchy songs and smooth harmonies. B2K disbanded in 2004 but reunited for tours and special performances, maintaining a loyal fan base over the years.