Heath starred in
Casanova with Jeremy Irons, who also starred in
And Now Ladies and Gentlemen with the very beautiful French pop star Patricia Kaas.
I found a youtube of her singing "If You Go Away" ("Ne me quitte pas") and scenes from the film:
[youtube=425,350]http://www.youtube.com/watch?v=7HW1rA8dGlA[/youtube]