His latest rant comes after the 51-year-old said that his relationship with the talk show queen ended abruptly when she threw him out while he was away for work.
Branding Oprah 'as cold as ice' he said she dumped him by changing the locks.
Now Chevalier says it was Stedman who stole the talk show host from him, leaving him heartbroken.
Speaking to Radar Online, the jilted lover revealed 'When I was dating Oprah, I know for a fact that Stedman was courting her.'He said that after he coincidentally appeared with him in some magazine advertisements, Stedman made a move on Oprah, his then-girlfriend.'I remember Stedman used to call, and I would answer the phone and she would tell me, 'I don't want to talk to him...
The television personality became a spokesperson for Weight Watchers last year and revealed she's lost 26 pounds in a promotional video in January.
The Los Angeles-based producer, 51, claimed he had a four month relationship with the talk show host in the early Eighties, but it ended abruptly when she threw him out while he was away for work.
Chevalier said he lived with Winfrey in her Chicago apartment after meeting on her chat show in 1985 and even attended the local premiere of her film The Color Purple with her.
The concierge informed me that the locks had been changed.'Oprah had left a box for me filled with all my belongings. While he said he wasn't ready to settle down, Chevalier believed Oprah wanted to marry.
On a yellow envelope she had written: "Sorry, things aren't working between us. However, 26 years later, the TV star is yet to wed Graham.
Chevalier said he met Winfrey when he appeared on her talk show as Billy Dee Williams-lookalike on a segment about celebrity doppelgangers.