The Late Show with David Letterman

You don’t have to wait until later tonight to begin saying goodbye to David Letterman (though if you’re like us, you’ve already started that process) — you can do it right now. The venerable, longtime Late Show host is ending his 33-year run with tonight’s episode, which promises to be a fantastic, hilarious and appropriately heartwarming sendoff. But before we get to that, you can watch Letterman’s final Late Show entrance right now.

Although we understand that 'The Late Show' will be getting a bit of a makeover when long-time host David Letterman exits later this year, and while we're extremely excited that Stephen Colbert is taking over the post, we still have a teensy idea: maybe Bill Murray could host it? Or just appear on every single episode? Does Colbert need a sidekick? He has to, right?

"Summertime! Summertime, people!" Sure, Bruce Willis. We can blame this on it being the summertime. The actor hit 'The Late Show' last night to ... honestly, we don't even know, but eventually it devolved into Willis eating corn on the cob harmonica-style and getting absolutely covered in melted butter. It seems that Willis is a huge fan of corn -- can't get enough of it! -- and he was eager to share some corn-centric life hacks with host David Letterman.

The moment David Letterman announced his retirement from 'The Late Show,' speculation began toward possible replacements, though very few of them were given to Letterman's 'Late Show'-following host Craig Ferguson. Stephen Colbert's quick acceptance of the gig left people questioning if Ferguson will remain with 'The Late Late Show', and it seems Ferguson has officially decided to step down at the

Well, that was fast! Just one week after David Letterman dropped the 'Late Show' bombshell that he would retire in 2015, his replacement has officially been announced. Following early and decisive rumors, Stephen Colbert will officially leave behind Comedy Central's 'Colbert Report' to ascend the late-night throne as the new host of CBS' 'The Late Show.' You're welcome, nation!

Last night Rick Perry attempted to do some damage control after his latest flub in the Republican primary debates by reading the "Top Ten Rick Perry Excuses" on "The Late Show with David Letterman".