Peter Perrett Jr. is a bass guitarist who played bass for Babyshambles during an early line up. He is the son of Peter Perrett Sr. who produced a set of demos for Babyshambles, The Diamond Liner sessions. Peter Perrett Jr. also played with his father, brother Jamie Perrett and The Libertines for a cover of "Another Girl, Another Planet," the classic Only Ones song, live at the Rhythm Factory. Drew McConnell took over bass duties when Peter Perrett Jr. left Babyshambles.
Currently Peter plays with his brother Jamie in their new band "Love Minus Zero", and have released their debut single "Psychobaby", in which the lyrics "Seeing you ain't much fun/Cos you get ugly and dumb... Just like your mother said/You'd be better off dead" are said to be about Peter Doherty.