Rihanna dons a sheer top on stage at the 2012 Grammy Awards held at Staples Center on Sunday (February 12) in Los Angeles.

The 23-year-old singer kicked off her performance with “We Found Love” before joining Coldplay for their track “Princess of China.”

The British band also rocked out to their latest song, “Paradise,” which was nominated for Best Pop Duo/Group Performance. “Every Teardop Is A Waterfall” was also up for Best Rock Performance and Best Rock Song.

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Rihanna wears a plunging number at the 2012 Grammy Awards held at Staples Center on Sunday (February 12) in Los Angeles.

The 23-year-old multi-nominated singer wore a black silk cady custom Giorgio Armani gown. The dress features a plunging neckline that is complimented by a high slit, a dramatically open back and a mermaid silhouette cascading into an elegant train.

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Rihanna, who will perform at the awards ceremony, sparkled in Neil
Lane jewels – diamond and gold snake armlet, a wide gold cuff, jazzy gold and diamond rings and geometric diamond and gold triangle earrings. She finished off her look with Jacquie Aiche body necklaces, Christian Louboutin shoes, and Jimmy Choo clutch.

10+ pictures inside of Rihanna at the Grammys…