It’s actually quite shocking to think that David Letterman has been hosting The Late Show for over 20 years. Now that his acclaimed late night show is coming to a close, celebrity guests are taking the opportunity to say their goodbyes. Last week, Tina Fey stripped down to spanx to say her farewell and went viral with over 14 million views!

Now, comedian and singer Adam Sandler is trending after singing a special musical ode in honor of Dave