We're told Tran sat down at her house with Iyanla Vanzant for the interview. Tran says producers promised it would be "positive."
Things went south when Tran was asked about her relationship with Brown. Vanzant asked if she slept with Chris from the get-go because he was a superstar. When she explained they didn't sleep together until months after they met, she claims the interviewer didn't believe her and kept pressing.
Vanzant also grilled Karrueche about her decision to date Chris in the wake of beating Rihanna. She responded that everyone deserved a second chance. The interviewer then challenged Karrueche, saying Chris had cheated on her but she still took him back.
At that point ... Karrueche's manager kicked Vanzant and the OWN crew out of her house.
A couple of hours passed, everyone calmed down and the OWN people were invited back in to complete the chitchat.
The special will air on OWN later this month.