O.J. Simpson says he's NOT Khloe Kardashian's real father.
The former football star finally addressed the conspiracy theory that's been floating around for decades-- that he secretly knocked up Kris behind Robert Kardashian's back 34 years ago.
When he was out in Vegas over the weekend -- a photog asked if a congratulations were in order regarding Khloe's pregnancy.
OJ Simpson replied, "Well, for Bob, God bless his soul, yeah. I don't know for me. I don't think for me I have nothing to do with it. He added, "I would be proud ... but trust me, I had nothing to do with it."