Anderson Cooper and other celebrities rallied behind "Late Show" host Stephen Colbert after CBS announced it was cancelling the liberal late-night program.

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.

Stephen Colbert announced "The Late Show" was cancelled three nights after revealing his summer mustache on air. Coincidence?

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.

Late-night hosts used their monologues on Monday to weigh in on the news that CBS is canceling “The Late Show.”

Adam Sandler, Jon Stewart, Elizabeth Warren, and many more have voiced their support for the comedian following the controversial decision

Jon Stewart, Seth Meyers, Jimmy Fallon and John Oliver — and other famous faces — joined in with the "Late Show" bit.

The FCC chairman called out at the "partisan left's" reaction to Stephen Colbert's cancellation by CBS on Monday, saying they were acting like they were losing a "loyal" spokesperson.