The Activision E3 kick off event at the Staples Center last night was a huge, star studded affair -- and included Rihanna and Enimen's first live performance of their new song, "Love the Way You Lie."

Rihanna & Eminem
Usher, Deadmau5, David Guetta, Jane's Addiction and Soundgarden also played for the celeb packed event, with peeps like Paris Hilton, Vanessa Hudgens, "Twilight"-er Nikki Reed and "Vampire Diaries" stars Steven R. McQueen and Michael Trevino.

Check out pics from inside the event -- AFTER THE JUMP!

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