Timothée Chalamet reveals unusual ’souvenir’ from Matthew McConaughey

Matthew McConaughey and Timothée Chalamet met on the set of "Interstellar," where they played father and son. Chalamet shares a story about his last day on set, where he found a “souvenir” in his trailer’s bathroom. The full conversation between the two award-winning actors is available to stream on the CNN app.