Charlie Sheen has been forcing friends to sign confidentiality agreements for years! Breaking Celebrity News exposed a copy of the iron-clad contract earlier today, and now can reveal that he confessed to the practice in a Playboy interview three years ago.

The revelation comes days after the Tinseltown trainwreck confirmed The National ENQUIRER's world exclusive report that he's HIV-positive.

But he opened up about his unfolding cover-up scheme years before in June 2012, at least a year after the