Katherine Heigl was in New York city to promote her new movie “Killers.” Katherine appeared on Late Night with David Letterman. The movie is a comedy/drama and also stars Ashton Kutcher. Katherine Heigl decided this would be her last season on “Grey’s Anatomy,” the show that launched her career to pursue the big screen. Katherine and husband Josh Kelley adopted a 9 month old baby girl named Naleigh from Korea last September. Katherine keeps busy being mommy to Naleigh and her six dogs. Katherine Heigl’s new movie “Killers” hits theaters nationwide June 4th.