Bananarama is a British Pop/Hi-NRG/Dance duo of singer-songwriters, formerly a trio, that formed in London, United Kingdom in 1981. Originally formed by members are Sarah Dallin, Siobhan Fahey and Keren Woodward. Early successful singles were collaborations with Fun Boy Three. They built their success on albums released during the 80's, with their most successful being the Wow! album. Guinness Book of World Records listed Bananarama as the most successful British girl group in history.