Cher opens up about her marriage to Sonny Bono in her new memoir, 'Cher: The Memoir, Part One.' She reveals that she'd just suffered a third miscarriage when she caught Bono cheating with his secretary.

Cher alleged in her new memoir that she caught ex-husband Sonny Bono cheating on her with his secretary around 1967, when she was suffering from her third miscarriage.

The diva was duped by Bono, who had set up a company called Cher Enterprises in which he owned 95 percent, with the other 5 percent going to his lawyer.

Even when that past involves talking about some uncomfortable topics, including the age gap between her and late ex-husband Sonny Bono. Salvatore Bono entered Cher’s life as a protector and champion,

I figured I’d plead insanity … Then I’d get a book deal and my own show,” Cher alleges Sonny told her after admitting to thinking about killing her.

Sonny Bono and Cher were divorced for decades when he died, but interest in their relatiosnhip has never waned. We have the timeline.

Cher alleged that her ex-husband, Sonny Bono, cheated on her with his secretary around the time that she suffered a miscarriage in her new memoir.