CMT Top 20 Countdown   -  About the Episode

This May, Robert Downey Jr. will star as a self-built superhero in the new movie, Ironman. Join host Lance Smith as Top 20 Countdown previews this action-packed and humorous new movie with clips featuring Downey, co-star Gwyneth Paltrow and more. As a special added bonus, Smith himself will fly through the air without the benefit of wires, special suits or a monetary incentive. Smith will also debut the new video from "Bubbly" singer, Colbie Caillat. If you've ever wondered why someone just didn't see the obvious when it came to love, you'll enjoy seeing "Realize." Check out all your favorite videos by artists like Sugarland, Taylor Swift, Trace Adkins and more. Check out our photo galleries and watch video online.