According to R&B legend 32, the star of R&B is said to have struck the woman Friday, 18 June.
A spokesperson for the Los Angeles Police Department stated that officers were summoned to the San Fernando Valley area, California at 7.30 am local time.
The LA City Attorney's Office has completed a crime report on battery and will now decide whether or not to file any charges.
He said, "The victim informed that the suspect and she argued and the suspect struck"
Newsbeat has not received a response from Chris Brown's representatives.
Grammy-winning artist was sentenced to five years probation and a community order after he assaulted Rihanna in 2009.
A five-year restraining orders was issued against Karrueche Tran, a former girlfriend and actress.