Christa Päffgen (German pronunciation: [ˈkʁɪsta ˈpɛfɡn̩]; 16 October 1938 – 18 July 1988), known by her stage name Nico, was a German singer, songwriter, actress, and model. Nico had roles in films including Federico Fellini's La Dolce Vita (1960) and Andy Warhol's Chelsea Girls (1966). At the insistence of Warhol, she sang lead on three songs of the Velvet Underground's debut album, The Velvet Underground & Nico (1967). At the same time, she released her debut album, Chelsea Girl (1967), composed of songs written by other musicians.
https://en.wikipedia.org/wiki/Nico