Greatest hits album by the British pop duo, originally released in 1991. The album features some of the group's most successful singles released between 1982 and 1990, including 'Sweet Dreams (Are Made of This)', 'Who's That Girl?', 'Right By Your Side', 'There Must Be an Angel (Playing with My Heart)', 'Sisters Are Doin' It for Themselves' (with Aretha Franklin), and many more.