22nd Annual Mark Twain Prize for American Humor celebrating: Dave Chappelle

About 22nd Annual Mark Twain Prize for American Humor celebrating: Dave Chappelle: An all-star lineup of entertainers salute and celebrate the career achievements of comedian Dave Chappelle, the recipient of the 22nd Annual Mark Twain Prize for American Humor. The event was held at the Kennedy Center Concert Hall in Washington, D.C.