Obama to O’Brien: Letterman Gets Social Sendoff

TV won't be the same without Dave. pic.twitter.com/9q5NHTf3b5

— Barack Obama (@BarackObama) May 20, 2015

It's absolutely absurd to thank David Letterman for all he's done in a tweet. But that's the world we live in now. #ThanksDave

— Conan O'Brien (@ConanOBrien) May 21, 2015

Tonight is David @Letterman’s final show. What a wonderful, inspiring, hilarious, groundbreaking, amazing ride. #ThanksDave

— Ellen DeGeneres (@TheEllenShow) May 21, 2015

Gonna miss this man something awful. #DAVE pic.twitter.com/PtPHVrbJGS

— Sarah Silverman (@SarahKSilverman) May 20, 2015

Congratulations to David Letterman, who I now believe is beginning his third career in show business.

— Steve Martin (@SteveMartinToGo) May 20, 2015

#ThanksDave—for two decades of laughs, insights, and, yes, even pantsuit jokes. @Letterman, you're a legend. -H pic.twitter.com/Cz9TDwTxAw

— Hillary Clinton (@HillaryClinton) May 21, 2015

Tonight is @letterman’s final Late Show. We love each other so much. I will miss him so. But look out — I'll find him!! #ThanksDave

— Betty White (@BettyMWhite) May 21, 2015

You made it cool to be smart You made it cool to be witty This pic's truly a dream come true @Letterman #Letterman pic.twitter.com/ZmpJCbcp5S

— Will Arnett™ (@arnettwill) May 20, 2015

Thank you, thank you, thank you @Letterman for being my TV father. You started & are now ending an era. #DavidLetterman #WrestlingShoes

— Joel McHale (@joelmchale) May 20, 2015

.@Letterman you were like a father growing up. I even had bath time interviews with an imaginary YOU involving shampoo bottles and our…

— sia (@Sia) May 20, 2015

.@Letterman …SPARKLING personalities. Thank you for the laughs dad. I mean Dave. https://t.co/HDLmNKqwR6 #ThanksDave

— sia (@Sia) May 20, 2015

My brother and I would stay up late to watch Letterman every night. Singing songs (and the top 10!) on his show was an honor. Thanks Dave!!

— josh groban (@joshgroban) May 20, 2015

Meant so much to me to make @Letterman laugh. Thanks to EVERYONE at the Late Show and Dave for being a true original. pic.twitter.com/XZqwoUPqgz

— billy eichner (@billyeichner) May 20, 2015

Watching David Letterman as a teenager in Indiana changed my entire outlook on life. #thanksdave pic.twitter.com/7khgT2GiaM

— Jim Gaffigan (@JimGaffigan) May 20, 2015

Lucky to have written for David @Letterman for 17 years and to have worked with such amazing, talented folks. Congratulations. #ThanksDave

— Eric Stangel (@EricStangel) May 21, 2015

Madonna: "Is that a rug?" Letterman: "Well what is THAT, a swim cap?" pic.twitter.com/aHtda74GJE

— Seth MacFarlane (@SethMacFarlane) May 21, 2015

Final time on this stage…#ThanksDave @Letterman pic.twitter.com/p3B30iTFW8

— Foo Fighters (@foofighters) May 20, 2015

#ThanksDave for filling our lives and hearts with laughter pic.twitter.com/Vr6nUaeBMe

— Melissa Rauch (@MelissaRauch) May 21, 2015

Congratulations to David @Letterman, a true friend of @WWE. #30years #ThanksDave

— Vince McMahon (@VinceMcMahon) May 20, 2015

We enjoyed performing on @Letterman over the years. Here's "I and Love and You" from @LiveOnLetterman: https://t.co/NwrcfZOu0P #ThanksDave

— The Avett Brothers (@theavettbros) May 20, 2015

Tonight is the end of an era. #ThanksDave pic.twitter.com/fWLc8GIyu8

— Carmelo Anthony (@carmeloanthony) May 20, 2015

Congrats to our friend @Letterman for an amazing career! Don't miss the final @The_lateshow tonight! #ThanksDave pic.twitter.com/1u5V6ZjH0Y

— The Comedy Store (@TheComedyStore) May 20, 2015

We'll be watching @Letterman tonight on @CBS. #ThanksDave for all your support for #Broadway and the #TonyAwards! https://t.co/hxGBrTPPIx

— The Tony Awards (@TheTonyAwards) May 20, 2015

Our wonderful city won't quite be the same without @Letterman. #ThanksDave pic.twitter.com/OEp2QOdee1

— New York Yankees (@Yankees) May 20, 2015

Just said goodbye to @Letterman. I hate to see him go, but we had a lot of good years together. #ThanksDave pic.twitter.com/RwlODouvi6

— Regis Philbin (@regis) May 20, 2015