Is Chris Brown already cheating on Rihanna?

Rihanna, Sommer Gargan and Chris Brown

Since Chris Brown started dating Rihanna again (Ugh. Ugh. A thousand times UGH!) he's already been spotted with his ex-girlfriend Karreuche Tran, and seriously, how do so many find this violent, girlfriend-beating douche irresistible? Does he poop Pinterest crafts? Whatever. Point is, Hollywood Life reports that he's been spotted with a third girl now named Sommer Gargan. Who would have known Chris would be such a terrible MORE