(CelebNMusic247) During Rihanna‘s upcoming interview with Oprah on “Next Chapter” the pop diva has a complete breakdown.

Rihanna starts tearing up and having a hard time talking while describing her break-up with Chris Brown. Obviously it still bothers her, but with all the rumors that they have been secretly kickin it since the court forced break up, Rihanna still misses her ex-boyfirend Chris Brown. – Flip and read on…

Take a look at the teaser clip from Oprah’s “Next Chapter” with Rihanna:

Rihanna tells O:

”It was embarrassing. It was humiliating. I lost my best friend.”