Eminem, Rihanna Fire Up Stage in L.A.
When rarely Eminem performs live -- only two other U.S. shows are scheduled for the Detroit rapper in 2010 -- it's an event in and of itself. But, as headliner for Activision's E3 video game conference kick-off party at L.A.'s Staples Center last night, there was no denying the Detroit rapper would bring it...