who sang the song moving on up on the jeffersons
Ja'Net DuBois
Jeannette Dubois[2] (born August 5, 1938[3][4] or 1945[5][6][7]) (sources differ), known professionally as Ja'Net DuBois,[8][9] Ja'net DuBois,[6][7] and Ja'Net Du Bois