Rihanna's third Diamond Ball fundraiser happens in in NYC on September 14 at Cipriani Wall Street. Her "LOYALTY" collaborator Kendrick Lamar is playing the black tie event, and Dave Chappelle is the host. The gala raises money for Rihanna's Clara Lionel Foundation, which "supports and funds​ innovative and effective education and health ​programs around the world."

"I’m thrilled that the incomparable Dave Chappelle will kick things off as the official host of this year’s Diamond Ball and Kendrick Lamar will take the stage for an unforgettable performance," Rihanna said (via Billboard). "I’m proud of the Clara Lionel Foundation’s significant impact in the world over the years and deeply grateful for the continued support and commitment to advancing our mission."

Dave Chappelle also recently announced 11 Radio City shows, including nights with Chris Rock, Erykah Badu, Childish Gambino, and more.

Kendrick Lamar also has a massive tour coming up, including two Barclays Center shows and a Prudential Center show.