Rihanna was in Miami yesterday to rehearse for her upcoming performance in the Super Bowl Fan Jam concert series. She's taking the stage this evening with Justin Bieber, who's fresh off another star-studded event after recording "We Are the World" with Nicole Richie, Kanye West, and more on Monday in LA. Rihanna was decked out for the sound check with her money covered nails — find out how to get them here — a sword with an "R" on it. She rarely disappoints with her flashy ensembles, and tonight's show is sure to bring more of the same.
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