Sing it, sister! Rihanna flexed her very impressive vocal cords on Thursday in Miami’s South Beach, while performing during the Pepsi Fan Jam Super Bowl Concert. We’ll say one thing — she’s got great stage presence!

Yesterday afternoon RiRi sported quite a different look for her rehearsal, but still had that same energy onstage!

HOT GALLERY: RIHANNA ISN’T SHY, SAYS HI!

Although we usually love her personal style, last night’s one-armed, one-legged catsuit was a little too reminiscent of a Dr. Seuss character for our taste! What do you think?

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