Rihanna - Grammys 2012 Red Carpet

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.

PHOTOS: Check out the latest pics of Rihanna

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…