Kathleen Anne Brien (born 8 May 1989), better known as Katy B, is an English bassist, singer and songwriter. She is an electronica, house, dubstep, R&B, dance and UK garage artist. She released her debut album, On a Mission, in 2011, which spawned two top five hits, "Katy on a Mission" and "Lights On". In 2014 she released her second album, Little Red, which produced her third top five hit, "Crying for No Reason". She was nominated for the 2011 Mercury Prize.