Stephen Colbert took aim at Donald Trump's gloating over his show's cancellation in his "Late Show" monologue.

In case anyone worried Stephen Colbert was going to go quietly into the night after CBS canceled The Late Show, it’s clear he won’t. In an early clip posted from the show, Colbert responded to President Trump’s gleeful social media post about his firing.

Stephen Colbert addressed Donald Trump’s reaction to the cancellation of 'The Late Show,' firing back with a fiery monologue and bold remarks