Justin Bieber  is a changed (young) man. The 17-year-old superstar graces Billboard's cover with the release of "Under the Mistletoe," a collection of new and old Christmas tracks. For one thing, you'll notice a bass-ier Biebs on the album. You can read about that, as well as Justin's growth as an artist and philanthropist, in the cover story (look for it on Billboard.com, Friday). Also, keep an eye out for a gallery on the star's style evolution since breaking out just a few years ago.
Also In This Issue:
-- Paul Simon on songwriting and the state of pop music.
-- Go inside the surprising Billboard/THR Film & TV Music Conference.
-- 6 heavy questions with Megadeth snarler, Dave Mustaine.
-- All your favorite charts in one handy place, plus music and tour news.
- News