Rihanna Stuns with Chopard Diamond Necklace at Diamond Ball Charity Event

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Rihanna was the belle of the ball on Thursday night at the first-ever annual Diamond Ball at The Vineyard. The sexy singer hosted the event, which benefits Riri’s The Clara Lionel Foundation, which was founded in 2012 in honor of the singer’s grandparents, Clara and Lionel Brathwaite.

While several A-listers attended the event, including Kim Kardashian or Adrienne Bailon, Rihanna was the most stunning of them all in a very elegant Zac Posen Fall 2014 gown in a dramatic deep rose hue. The off-shoulder number features bold shoulders, a short train, and a lovely pleated detail. The gown hugged Riri’s curves perfectly in a mermaid silhouette. This might just be her most elegant look of the year!

Actress Salma Hayek attends Rihanna’s First Annual Diamond Ball at The Vineyard on December 11, 2014 in Beverly Hills, California

Rihanna was the belle of the ball on Thursday night at the first-ever annual Diamond Ball at The Vineyard

Rihanna wearing a very elegant Zac Posen Fall 2014 gown in a dramatic deep rose hue

Rihanna's off-shoulder number features bold shoulders, a short train, and a lovely pleated detailRihanna at the first annual Diamond Ball benefiting The Clara Lionel Foundation held at The Vineyard Beverly Hills in Los Angeles on December 12, 2014

What made this look even more outstanding was the jaw-dropping Chopard tourmaline-and-diamond necklace, which was just the perfect piece of accessory to finish the pop singer’s glamorous ensemble. To amp up the glam even more, Rihanna added matching rings and an intricate ruby cuff around her tattooed wrist.

Rihanna's jaw-dropping Chopard tourmaline-and-diamond necklace

What made this look even more outstanding was the jaw-dropping Chopard tourmaline-and-diamond necklace

Rihanna added matching rings and an intricate ruby cuff around her tattooed wrist

Credit: WENN / Apega / FayesVision / Adriana M. Barraza