B5 is an American boy band formed in 2000, originally known as B5 and later rebranded as B5. The group consists of five brothers: Kelly, Patrick, Cory, Dustin, and Bryan. They gained popularity with their self-titled debut album, which featured a mix of R&B and pop music. The band is known for their energetic performances and harmonies. Over the years, they have released several albums and singles, contributing to the R&B and pop genres. B5 has also appeared in various television shows and movies, further expanding their reach in the entertainment industry.