Reportedly what set set off the drama between Nia Long and Taraji P. Henson’s beef on the set of “Empire” was Taraji allegedly asking Nia if she was on her period. Supposedly it went down like this: Nia was late on the set and one of the actors asked her why she was on Black people time. Nia went in on the actor. The actor (unidentified) said he was only joking but Nia kept going in. That had Taraji asking Nia, “What are you, on your period? Is it that time, girlfriend?” It was all down hill from there. Read here.