WATCH: Cher on new documentary, Biden’s victory, and when she snuck a drugged-up music producer onto a plane

Cher returns to A Late Show to talk with Stephen Colbert about some of her favorite Cher songs, and to tell the story of how she celebrated President Biden’s election victory. She also regales Colbert with tales from her early days working with Sonny Bono, including the time she helped a heavily-intoxicated Phil Spector make a flight. Check out her new documentary, “Cher & The Loneliest Elephant,” premiering this Thursday on Paramount+