Rihanna was part co-host and part bartender for her third annual Diamond Ball Thursday night in New York City, raising a reported $840,000 for her Clara Lionel Foundation, which promotes education and arts globally. âThe more you drink, the more inspired youâll be to donate money ⊠and help kids around the world,â said Rihanna, the founder of the Clara Lionel Foundation, which promotes education and arts globally.Jay-Z, BeyoncĂ©, Leonardo DiCaprio, Jamie Foxx and Trevor Noah were some of the A-listers who attended the black-tie event, which included a video message from former President Barack Obama. He thanked Rihanna âfor the great workâ sheâs doing with her foundation.