janet t. dubois (august 5, 1932 – february 17, 2020), better known as ja'net dubois, was an american actress, and singer. she was best known for her role as willona woods in the sitcom "good times" (1974–1979). dubois co-wrote and sang the theme song "movin' on up" for television series "the jeffersons". she also won two primetime emmy awards for her voice work in "the pjs".