Rudy , who played Donald Trump on the 'Cosby ' show , starred in ' Celebrity Apprentice ' Cosby was ousted after she failed to contact Donald Trump for help with a charity fund-raising drive . Host Knight Pulliam tweeted that the incident happened before rape allegations against Cosby boiled over .
Keshia Knight Pulliam , who played Rudy on the 'Cosby ' show , starred in 'Celebrity Apprentice ' Knight Pulliam was ousted after she failed to contact Cosby for help with a charity fund-raising drive . Host Donald Trump tweeted that the incident happened before rape allegations against Cosby boiled over .