By | May 12 2012 2:53 PM

Chris Brown and Rihanna's messy relationship has been unraveling in public for months as the two jump from collaborating on songs to tradings barbs online. On his latest track, Chris Brown went heavy on the insults, calling her out for sleeping around and even boasting about smashing her like a pumpkin, a reference to the recorded case of domestic abuse three years ago that led to their initial breakup.