Rihanna and Oprah

Usweekly.com

"It was a weird, confusing space to be in, because as angry as I was ... I just felt he made that mistake because he needed help," she said. "And I wondered, who's going to help him?"

"I lost my best friend," she tells Oprah in the interview airing Sunday at 9 p.m. on OWN. "Everything I knew switched in one night. And I couldn't control that."

Not much has changed for Chris Brown, whose violence continues to rear its ugly head; most recently in a bar brawl in New York City with singer, Drake, which both singers are now being sued for.