Demi Lovato at iHeartRadio Music Festival 2015: 'I'm Not Afraid to Have Attitude' on New Album 'Confident'
![Demi Lovato at iHeartRadio Music Festival 2015: 'I'm Not Afraid to Have Attitude' on New Album 'Confident'](http://www.billboard.com/files/styles/promo_225/public/media/iheartradio-demi-lovato-las-vegas-2015-billboard-650-1.jpg)
Demi Lovato has been basking in the success of her hit single “Cool for the Summer” and during the first day of iHeartRadio Festival in Las Vegas,...