There's long been speculation regarding her paternal origin.
But a new report by In Touch claims that Khloe Kardashian's real father is none other than Lionel Richie.
A source told the publication that the reality star's mother Kris Jenner had an affair in the 'wild 1980s' with the Dancing On The Ceiling sensation and Khloe is the love child of their 'sexual affair'. The insider claimed that Kris, now 58, enjoyed a fling with Lionel, 65, while still married to Robert Kardashian.
'They had a sexual affair - he bragged about it,' the source, who claims to be friends with Lionel, stated, 'He said he was on the outs with his wife at the time.'
Adding: 'Everyone was sleeping around with everyone else back then, and Kris was hot in those days.'
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While Jacky Jasper, founder of blog Diary Of A Hollywood Street King, told In Touch: 'Kris had an affair with Lionel - and I believe he is Khloe's dad.'
And as far as the 'wild 1980s' goes, one of the momager's friends hairstylist Daniel DiCriscio told the publication: 'She was a big flirt and played around. I've seen Kris do things that would blow people away.'
Kris has previously admitted to having an affair during her marriage to first husband Robert Kardashian in her tell-all book Kris Jenner and All Things Kardashian.