Kate Nash is a musician.
`` Do-Wah-Doo '' is a song by English indie pop singer-songwriter Kate Nash , featured on her 2010 second album My Best Friend Is You ( 2010 ) . Kate Marie Nash ( born 6 July 1987 ) is an English singer , songwriter , musician and actress . After being dropped by her record label , Nash self-released her third studio album , Girl Talk , on 4 March 2013 .