During the taping of his latest Late Show episode yesterday, David Letterman announced his retirement.
The comedian will rundown his final Top 10 List some time in 2015.
Considering his standing in Hollywood, the length of time he's hosted a talk show and the fact that he's met pretty much every famous person on the planet, it didn't take long for celebrities to react to this news on Twitter...
Ellen DeGeneres: David @Letterman announced he's retiring in 2015. It's been 31 incredible years. Television won't be the same without you, Dave.
Jimmy Kimmel: David @Letterman is the best there is and ever was.
Lena Dunham: Obvi will miss Letterman and his gorgeous tooth scenario/general brilliance.
Colin Hanks: Important to note: Letterman is not dead. That said, I will miss him and his program once he is gone...from late night TV.
Ann Curry: David Letterman announces his retirement from the Late Show after more than 32 years and nearly 6,000 episodes. #LoveLetterman.
Barack Obama: There are more than 10 reasons #DavidLetterman will be missed.
Ricky Gervais: Cheers to @Letterman. A king, a king-maker, and probably the man most to blame for inflicting me on America. See you soon.
Donald Trump: Letterman has announced his retirement--he is a great guy! @Letterman.