"Well, this isn't that hurtful, but it's weird - that I used to be a hooker. I used to be a Heidi Fleiss girl. I heard that rumour. If anyone would know, it would be Charlie." Denise Richards reveals the worst rumour she ever heard about herself was that she was a hooker for notorious madam Heidi Fleiss, who allegedly supplied her ex-husband Charlie Sheen with prostitutes in the 1990s.