On September 14th, Rihanna is going to have her third Diamond Ball charity event in New York City. Yesterday, the singer announced who will be joining her during the event and among the artists present there, there will also be her long time collaborator Calvin Harris. Aside from the Scottish DJ, Kendrick Lamar will also be making an appearance, as well as Dave Chappelle, who will be hosting the ceremony, that will benefit Rihanna’s Clara Lionel Foundation.

“I’m ecstatic to add my longtime collaborator and friend Calvin Harris to the stellar line-up at this year’s Diamond Ball. Calvin’s music will bring the perfect mix of energy and excitement to the evening as we celebrate the Clara Lionel Foundation.” – Rihanna