Liza Minnelli was devastated by her first husband's shocking secret: doc The daughter of ‘Wizard of Oz’ icon Judy Garland and director Vincente Minnelli is the subject of a new documentary by filmmaker Bruce David Klein, ‘Liza: A Truly Terrific Absolutely True Story.’ NEW You can now listen to Fox News articles! Liza Minnelli is recounting the exact moment she found her ex-husband , Peter Allen, in bed with a man. In her memoir, "Kids, Wait Till You Hear This!," Minnelli wrote that it was "