What year did the film Peter Allen's former spouse won an Academy Award for come out?
The Allen Brothers (Australia): The Allen Brothers were an Australian cabaret act of Peter Allen and a singer guitarist Chris Bell. Liza Minnelli:  Primarily known for her Academy Award-winning role as Sally Bowles in the 1972 musical film "Cabaret" directed by Bob Fosse, she is noted for her energetic stage presence and her powerful contralto singing voice.
i don't know