Jennifer Lawrence: A reluctant pop star hits the charts with 'The Hanging Tree'

You can't contain the cultural reach of "The Hunger Games." After dominating bestseller lists and box office charts, the phenomenon is infiltrating the music world. A song from "The Hunger Games: Mockingjay -- Part I," with vocals by Jennifer Lawrence, has landed on the singles charts in Australia (at number 12) and the U.K. (14). According to Billboard, the U.S. charts may follow.