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.

Late-night rivals and other celebrities rallied to support CBS "Late Show" host Stephen Colbert after the network canceled his show, and comedian Jon Stewart lashed out at Paramount Global for the decision to end the long-running TV program.