“I called Lucille Ball to ask for her advice,” Cher writes.

What should I do?'

Lucy and her husband had also become famous working together as stars on TV.

Cher Sonny Bono Lucille Ball Desi Arnaz

Sonny and Cher; Lucille Ball and Desi Arnaz.Harry Langdon/Getty, CBS Photo Archive/Getty

And he was a huge womanizer too.

Then Lucy had left him."

But while their show was still a huge success, their marriage was not.

Cher also remembers Ball giving her very frank advice.

Cher eventually secured the same divorce lawyer that Ball had used, Mickey Rudin.

Cher: The Memoiris available now.