The 28 year old spoke about the incident in a new clip for his documentary, Chris Brown: Welcome To My Life.
He revealed the reason for their epic fight was because he came clean about his sexual past with a woman who once worked for him, even though he had previously told Rihanna they had never been romantically involved.
But Chris claims the confession is what made their relationship turn violent - and he says both parties dealt blows.
She hated me.' he said. '
