If you're looking to begin the painful process of watching late-night talk king David Letterman's final episode of Late Show a few hours early, here's Letterman's final sprint onto the Ed Sullivan Theater stage.
Letterman wraps up a decades-long hosting gig tonight with a final episode that's packed with surprise celebrity guests (although Jim Carrey, Julia Louis-Dreyfus, Tina Fey and others were spotted heading into the Ed Sullivan Theater today, according to Variety).