The pop star paraded around on stage at the Pepsi Super Bowl Fan Jam in a peculiar one-shoulder, one-leg catsuit that featured white trimming.
Her black strapless bra was on show, and she completed the look with fishnet tights, black leather gloves and huge blonde quiff.
The ensemble was created by styling duo Mariel Haenn and Rob Zangardi, who regularly work with Rihanna on her costumes and red carpet attire.
She stormed the stage with a medley of her hits, including Wait Your Turn, Disturbia and Russian Roulette.
Another eccentric number: Rihanna performed at the Pepsi Super Bowl Fan Jam in Miami in a cut-away catsuit
The Barbadian star is one of a host of celebs who singed up for the concerts, including Timberland, who joined her onstage during the set.
A second gig will be held on today, featuring the likes of Nelly Furtado, Paulina Rubio and Pitbull.
The two day event comes ahead of Sunday's Super Bowl XLIV, where the Indianapolis Colts will take on the New Orleans Saints.
The event will be hosted by Entourage star Kevin Dillon and former Access Hollywood host Nancy O'Dell.
Crowd pleaser: The singer performed a string of hits, including Wait Your Turn, Disturbia and Russian Roulette
Hair raising: Rihanna teamed her unusual outfit with a huge blonde quiff
The performance is the latest in a long line of promotional appearances for her album, Rated R.
Rihanna, who turns 22 later this month, has been working overtime in an effort to build up sales, which have so far been steady.
She has sold just over 571,000 copies since its release in November.
She has done considerably better than her ex boyfriend Chris Brown, who has sold around 258,000 copies of his latest release Graffiti.
Queen of pop: Rihanna reigned supreme from her favourite white throne
It has been 12 months since they were involved in a violent argument while driving home from a pre-Grammy party which left her badly battered.
RollingStone.com deputy editor Caryn Ganz told CNN: 'In the immediate aftermath of the incident, there was all of this 'dead' talk - nobody will work with him, he'll never be able to sell another record - and that's turned out to not be true.
But she noted:'Rihanna is clearly doing better than he is, both in sales figures and public reception.'
Football fever: The Who performed at a separate NFL gig ahead
of the Super Bowl
of the Super Bowl
