Shirley Bassey is a British singer and actress who is best known for her powerful singing voice and her iconic performances of the James Bond theme songs 'Goldfinger' (1964), 'Diamonds Are Forever' (1971), and 'Moonraker' (1979). She also starred in the 1968 film adaptation of the musical 'Irma La Douce' as Irma, and in the 1968 film 'Heidi' as Heidi's grandmother. She also appeared in the 1979 film 'Tess' as Mrs. Durbeyfield.