On the new Billboard Pop Shop Podcast, Katie & Keith are chatting about what it means to lose the late-night institution, which began with David Letterman in 1993.
Monday night's (July 21) show also featured kiss cam-style pop-ins from supportive fellow talkers Anderson Cooper, Jimmy Fallon, Jon Stewart and Adam Sandler.
See what Kristin Chenoweth, Charlamagne tha God and more stars are saying about the surprise announcement.
The high-profile performances, once a staple of every rollout, don't capture the same audiences they used to — but for some, the expense remains worth it.
Oh, you better believe the internet rolled out some jokes.
