premise: Sonny Bono proposed to Cher, but she declined.
hypothesis: Cher . After her divorce from Sonny Bono in 1975 , Cher launched a comeback in 1979 with the disco-oriented album Take Me Home and earned $ 300,000 a week for her 198082 residency show in Las Vegas . Salvatore Phillip `` Sonny '' Bono ( [ ˈboʊnoʊ ] February 16 , 1935 -- January 5 , 1998 ) was an American singer , producer , and politician who came to fame in partnership with his second wife Cher , as the popular singing duo Sonny & Cher .