Brooke Valentine (born October 5, 1984 in Houston, Texas) is an American R&B singer-songwriter. She is known for her athletic physique. She started her musical career as a member of the female group Best Kept Secret. To pursue a solo career, she moved to Los Angeles, California and signed to Subliminal Entertainment/Virgin Records. She released her debut album Chain Letter in March of 2005. It sold a total of 340,000 copies in the US. The album features her hit debut single, "Girlfight", a collaboration with rappers Big Boi and Lil Jon, a song about tension between two girls which ends up in a catfight.

The new single "D-Girl" ("Dope Girl") can be seen on First View on AOL Music. The single, an R&B/hip hop song, is featured on her upcoming Physical Education album. The album is due to be released on January 2007.