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

Rumors about the $40 million annual losses appeared to stem from reports published by a media outlet called Puck and the New York Post.

From its 1993 inception with host David Letterman through its most recent decade under Stephen Colbert, CBS' The Late Show has hosted a who's who of musicians, both on the couch for interviews and on the stage for performances.