The new season of Empire already looks explosive as Fox has dropped its first sneak peek. But if rumors are true, the real drama is when the cameras are off. Word is that two cast members got into a real brawl! Find out which ones below.

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They're in the middle of filming for the highly anticipated sophomore season of the series and one scene went crazily wrong. Insiders told Bossip magazine that none other than Terrence Howard (who plays Lucious Lyon) and Bryshere Gray AKA Yazz The Greatest (Hakeem Lyon) got into a fight on the set.

Interestingly enough, their on camera relationship went far left after Hakeem learned the truth about his father’s manipulative ways. But who would’ve thought they would fall out in reality.

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The source claimed, “Yazz did a scene with Terrence Howard where he was supposed to hit him with a plastic bottle, but he hit him with a real bottle…and cut him for real! Terrence hauled off and punched him in the face. You know Terrence is crazy and something was bound to pop off with this show.”

The insider went on to say that Gray has been diagnosed with bipolar disorder (his character’s brother Andre Lyon portrayed by Trai Byers suffers from the condition in the series).

They added, “He won’t take his meds. Terrence felt he did it on purpose, but everybody else is blaming it on the bipolar disorder.”

Keep up with Enstars for more updates. In the meantime, Empire is slated to return to Fox on Sept. 23. Check out the explosive trailer the network released Tuesday below.