03:51
mroly
Rihanna joined Jay-Z onstage Sunday night in Los Angeles to sing "Run This Town" and her Young Jeezy-assisted track "Hard." While it wasn't her first performance since she was assaulted by then-boyfriend Chris Brown in February, it did mark the first time she's performed any new material from the upcoming Rated R album.
Rihanna told MTV News on Monday that she was ushering in a "new era" at the concert.
Rihanna will preview Rated R on Monday in a worldwide telecast from a performance taking place at an undisclosed location in London.
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