The Oscar-winning star appeared on talk show Ellen on Monday and unknowingly let slip it won't be long before the couple walk down the aisle.
He revealed, "I know her boyfriend and soon-to-be husband."
The pair have not publicly announced they are engaged but are close friends with Foxx, which fuelled speculation he has inside information about their marriage plans
He added, "We're good friends. We actually hooked up on a song.
"He raps in French. He kills in French. It sounds sexy; I don't know what he's saying.
"He could just be saying, 'Order me dinner.' It's a trip to hear it."
Article Copyright World Entertainment News Network All Rights Reserved.