David Chappelle will host Rihanna's annual charity event in September and Kendrick Lamar will perform. The singer's organization, The Clara Lionel Foundation, will hold its third Diamond Ball on Sept.

Comedian David Chappelle is facing criticism for his new Netflix special "The Closer." During his standup routine, Chappelle defends author J.K. Rowling, who has made comments that have been perceived ...