The Sweetest Taboo singer from 1985 is Sade, a four-letter name. Sade is a British singer, songwriter, and record producer who rose to fame in the 1980s with her soulful sound. Her debut album, Diamond Life, was released in 1984 and was certified double platinum in the UK and quadruple platinum in the US. The lead single, 'The Sweetest Taboo', was a major hit and earned her a Grammy Award for Best New Artist. She has since released seven studio albums and has sold over 75 million records worldwide.