David Letterman is throwing some subtle shade at his former network in the wake of its decision to cancel 'The Late Show With Stephen Colbert.'

The veteran comedian, 78, shared a video montage of him roasting the TV network during his decades-long career of hosting "The Late Show" from 1993 to 2015.

David Letterman is subtly showing support for his successor Stephen Colbert after CBS' shock cancellation of "The Late Show."