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.

The late-night host acknowledged that "a lot of people out there are bummed" about the show ending next May, so he tapped a few famous friends to cheer everyone up.

Sandra Oh criticized CBS and Paramount during her appearance on 'The Late Show with Stephen Colbert' on July 21 after its cancellation was announced. The network said it was "a financial decision," but the news came days after Colbert criticized Paramount for its $16 million settlement with President Donald Trump.

For one night only, Bad Bunny will appear as a guest on 'The Late Show With Stephen Colbert,' followed by 'Late Night With Seth Meyers'

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.

Colbert began the episode criticizing Paramount for its decision. “How can it be a purely financial decision if The Late Show is No. 1 in ratings?” he asked. “A lot of people are asking that question.