Celebrities Tweet Ahead of David Letterman's Final Show

Celebrities Tweet Ahead of David Letterman's Final Show David Letterman will make his final appearance behind the desk of The Late Show With David Letterman tonight (May 20) in New York City. The 68-year-old late-night host and comedian hosted the program for 22 years and has won nine Emmy Awards since its debut. Before that, he hosted Late Night with David Letterman for more than 11 years on NBC. Celebrities took to Twitter to share their thoughts on Dave‘s retirement. Check out some of their goodbyes below. And in case you missed it, watch Jimmy Kimmel tear up during his touching remarks about Dave.