Celebrity·Posted on May 21, 201523 Important Moments From David Letterman's Last "Late Show"A look back at 33 years in late night.by Whitney JeffersonBuzzFeed StaffLinkFacebookPinterestTwitterMail A powerhouse Top Ten list. Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF Where Tina Fey brought the realness. Tap to play GIF Tap to play GIF And Julia Louis-Dreyfus delivered the ultimate Seinfeld burn. Tap to play GIF Tap to play GIF While Jerry Seinfeld was in the room. Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF A look inside Dave's creative process. Tap to play GIF Tap to play GIF Lots of old graphics, Classic shots of Dave in his letterman jacket, Old sets inside the Ed Sullivan theater, Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF And reminders of when Dave's show was Late Night instead. A lot of old-school Dave outfits. Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF And vintage Paul. Tap to play GIF Tap to play GIF The last monologue. Tap to play GIF Tap to play GIF And the last of Dave's monologue gags. A Simpsons homage. Tap to play GIF Tap to play GIF A shout-out to his wife and son, Harry. Tap to play GIF Tap to play GIF And an audience zoom-in that perhaps neither were expecting. Tap to play GIF Tap to play GIF A sentimental moment of gratitude. Tap to play GIF Tap to play GIF ...Which he followed up with this: Tap to play GIF Tap to play GIF Dave gave thanks to the band, Tap to play GIF Tap to play GIF To Biff Henderson, Tap to play GIF Tap to play GIF To Alan Kalter, Tap to play GIF Tap to play GIF And gave all the props to his band leader of 33 years, Paul Schaffer. Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF He finally signed off and kicked it over to the Foo Fighters... Tap to play GIF Tap to play GIF Who played the crap out of "Everlong." Tap to play GIF Tap to play GIF And we saw the final shot of the Late Show as we knew it. You can watch the entire sign off here. View this video on YouTube youtube.com Bye, Dave! Tap to play GIF Tap to play GIF And thanks for 33 years of late night.