The curtain falls on an era: Stephen Colbert's final Late Show afterparty brought out an A-list crowd last night in New York City. Mark Hamill, Drew Barrymore, and dozens more descended on a private event space to toast Colbert's storied run. Sources tell Signal Stream the atmosphere was electric, a true Hollywood send-off for the late-night legend. The guest list reads like a who's who of entertainment, marking a significant moment in television history.