Keri Hilson, singer, songwriter and actress. Her hit singles include Knock You Down, Turnin' Me On, I Like, & Pretty Girl Rock. She also has contributed in the fight against HIV and AIDS, helped various relief efforts for natural disasters, and become involved with several educational organizations. She has written songs for several artists, including Britney Spears and Mary J. Blige. Her achievements include a BET Award, MOBO Award, NAACP Image Award and 2mSoul Train Music Awards.