Rihanna's Diamond Ball Raises Over $3 Million for Underprivileged Communities

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She might be Bad Girl Riri but she's doing a lot of good

Bad Girl RiRi was nothing but good as she hosted her second annual Diamond Ball.

The black tie event, hosted by Kevin Hart, raised over $3 million for the Clara Lionel Foundation, which Rihanna created in 2012 to honor her grandparents, Clara and Lionel Brathwaite. The charity’s mission is to help improve the quality of life for underprivileged communities all over the globe.

WATCH: Rihanna Stuns in Sexy Gold Gown at Diamond Ball, Gushes Over 'Feisty' Baby Cousin Majesty

While on the red carpet, the “B**ch Better Have My Money” singer told ET that although her grandmother died in 2012, she knows she is still proud.

"She is definitely here in spirit and she feels delighted to be a part of such a great cause, raising money in her honor, to help, save and change many lives," Rihanna said.

The Diamond Ball was attended by a slew of celebs including Will Smith and Jada Pinkett Smith, Kylie Jenner, Emily Ratajkowski and Zendaya.

Watch: See What Happened When Rihanna Dropped Out of the Victoria's Secret Fashion Show

After guests enjoyed a four-course meal, Hart kicked off the amazing auction by making a $50,000 donation to the cause. Items auctioned at the event included a Bono-signed guitar and an exact replica of Rihanna’s custom Christian Dior gown.

The star wore a gorgeous low-cut vintage Dior dress with plenty of sparkly accessories while walking the red carpet at the second annual event. To see the gown and hear what the singer said about her "Feisty" Baby Cousin Majesty, watch the video below.