Timothée Chalamet shares surprise birthday gift from girlfriend Kylie Jenner

Matthew McConaughey and Timothée Chalamet met on the set of "Interstellar," where they played father and son. The Christopher Nolan film has become a modern-day classic, with fans telling both actors they've watched it many times over the years. In fact, Chalamet said he's seen it 22 times. He revealed that number includes a private IMAX screening organized by his girlfriend, Kylie Jenner, for his birthday. The full conversation between the two award-winning actors airs Saturday, February 21 at 7p ET/PT on CNN and streams on the CNN app.