Demi Lovato, 'Heart Attack'
This image appears in the gallery:
20 Of The Best Music Videos Of 2013 So Far
9. Demi Lovato, 'Heart Attack'
2013 is Demi Lovato's year and her huge hit single 'Heart Attack' has only proved this, showcasing the X Factor USA judge's incredibly vocal talents. Her suitably epic music video has also gone down a storm, letting Demi show off a variety of incredible looks, as well as adding a sense of scale to the powerful love song.