 ABC News | Report: Rihanna & Chris Brown back together at Sean (Diddy) Combs ... New York Daily News BY Laura Schreffler and Leo Standora Pop star Rihanna was going another romantic round with R&B singer boyfriend Chris Brown less than three weeks after he allegedly used her as a punching bag, it was reported Friday. Rihanna's not pressing charges against Brown Whitney warns Rihanna to end troubled romance |