The White House replaced Joe Biden's presidential portrait with a photo of his autopen signature this week, posting a video of the stunt on social media to troll him. So, on Thursday night, Stephen Colbert offered a response on behalf of Biden — via Mariah Carey.

Inside the White House, the Regina Georges of Biden’s circle ruled like mean girls and policed loyalty,” he said, referring to actress Rachael McAdams’ nasty character in the