What happens when you ask Terrence Howard about his flop performance in the Winnie movie? Or when you ask Taraji P Henson about the late father of her son? You could be booted out of the interview session.Tensions have run high at the one-on-one interviews with Empire stars Howard and Henson over the past two days.The pair, who were friendly during a press conference on Monday, ordered that there be "no personal questions, only questions about the show will be allowed"."Guys, please keep it clean; no personal questions. We don't want another incident," said a publicist.On Monday blogger Lelo Boyana was almost kicked out of the interview when she told Howard his Xhosa accent in Winnie "was horrible", leaving many, including Henson, laughing at the star.Give 'em back some of the land, says Terrence Howard on economic inequality during SA tripHollywood star’s Terrence Howard and Taraji P.Henson are currently in Johannesburg as part of a 5-day media blitz promoting their hit show Empire. "I have never heard that my accent was horrible. I was trying," laughed Howard.But his team was less than amused and asked that Boyana be removed - but the organisers prevented that from happening.Kaya FM's Bob Mabena "upset" Henson yesterday by asking about the father of her son Marcel Johnson, 22. William Lamar Johnson was murdered in 2003.Henson replied: "It hurt then and it still hurts now."..