NEW YORK, NY - MAY 01: Musician Sean Lennon enters the "Late Show With David Letterman" taping at the Ed Sullivan Theater on May 1, 2014 in New York City. (Photo by Ray Tamarra/WireImage)
NEW YORK, NY - MAY 01: Musician Sean Lennon enters the "Late Show With David Letterman" taping at the Ed Sullivan Theater on May 1, 2014 in New York City. (Photo by Ray Tamarra/WireImage)