Helen Folasade Adu (Yoruba: Fọláṣadé Adú [fɔ̄láʃādé ādú]; born 16 January 1959), known professionally as Sade Adu or simply Sade ( SHAH-day or shah-DAY), is a Nigerian-British singer-songwriter who is the lead vocalist of her band Sade. One of the most successful British female artists in history,