Smith made the claim during a speech to undergraduates at the University of Pennsylvania.
Smith said the Simple Life star, also an-ex heroin addict, "Pulled Jay into a bathroom and just sat on (him) and started going at it."
But the adopted daughter of crooner Lionel Richie is outraged.
Her spokeswoman Cindy Guagenti tells the New York Daily News, "She didn't know his real name till I explained, then said: 'I met him but, ewwwww! Are you kidding me? I've never ever had sex with him.'"
Article Copyright World Entertainment News Network All Rights Reserved.