American singers and actors Liza Minnelli and Frank Sinatra during a gala at the Palais Garnier opera House of Paris. (Photo by David Lefranc/Kipa/Sygma via Getty Images)
American singers and actors Liza Minnelli and Frank Sinatra during a gala at the Palais Garnier opera House of Paris. (Photo by David Lefranc/Kipa/Sygma via Getty Images)