Bernard James Freeman, known professionally as Bun B, is an American rapper. He is best known as one half of the southern rap duo UGK, a group he formed in 1987 alongside Pimp C. Aside from his work with UGK, Bun B has released five solo albums, including 2010's Trill OG, which received the rare 5-mic rating from The Source.

UGK was an American hip hop duo from Port Arthur, Texas, formed in 1987, by Chad "Pimp C" Butler and Bernard "Bun B" Freeman. They released their first major-label album, Too Hard to Swallow, in 1992, followed by several other albums charting on the Billboard 200 and Top R&B/Hip-Hop Albums charts, including the self-titled Underground Kingz album, which contained their single "International Players Anthem " and debuted at number one on the Billboard 200, in August 2007. The duo has also been featured on hit singles by several other artists, such as "Big Pimpin'" by Jay-Z and "Sippin' on Some Syrup" by Three 6 Mafia. Pimp C founded UGK Records in late 2005. On December 4, 2007, Pimp C died in his West Hollywood, California hotel room.