Justin Bieber might just be the most sought-after pop star on the planet. If you've somehow managed to escape a case of Bieber fever up to this point, you might want to stand back because it's about to hit you! Check out peta2's brand-new ad featuring Justin Bieber Justin Bieber for peta2Bieber always makes it a point to make sure that his fans know how much he cares about them. Whether he's