Take this as a reminder to always be nice to the intern, not only because they’re people, but because they may be your boss one day. For David Letterman’s final run on The Late Show, he invited a star-studded cast to perform his popular “Top 10” skit. Celebs like Julia Louis-Dreyfus and Jim Carrey let him have it in the final list, sharing what they’ve always wanted to say to the late-night star.