Kathleen Anne Brien (born 8 May 1989), better known as Katy B, is an English singer and songwriter. She released her debut studio 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 studio album, Little Red, which produced her third top five hit, "Crying for No Reason". She was nominated for the 2011 Mercury Prize.
Kathleen Anne Brien was born on 8 May 1989, in Peckham, London, where she attended at Lyndhurst Primary School, Haberdashers' Aske's Hatcham College, and the BRIT School. Katy also attended at the Glenlyn Academy in South London, where she took dance classes. Katy's father (David O'Brien) was a member of the Les Humphries Singers, who represented Germany at Eurovision 1976, with the song "Bing Bang Bong". Katy B possesses a soprano vocal range.
Katy has guested on many tracks, both before and during her album release campaign. DJ NG's song "Tell Me", on which she featured as Baby Katy, was initially released on a white label and then later signed to Ministry of Sound. She also provided vocals on the track "Hold Me" for The Count & Sinden's debut album Mega Mega Mega, and features on Magnetic Man's tracks "Perfect Stranger" and "Crossover".