Chris Brown headlined radio station Power 105.1’s Powerhouse ‘09 concert at New Jersey’s Izod Center last night, marking his first official concert since his February 8th altercation with Rihanna. After performances by The-Dream, Trey Songz, Fabolous, Mario, Keri Hilson and Day26, Brown’s live comeback arrived, and the “Forever” singer was greeted with loud applause, MTV [...]