"I've heard about people getting body parts insured and I thought, why not, because if anything happened to my boobs, I'd be out for a few months and I'd probably be out a million dollars," she said. "I thought I'd cover my assets."
Madison, 31, also performs in the Las Vegas production Peepshow.
"I think they're getting the credit they deserve," she added. "They're my primary money makers right now."