Demi Lovato blasted back onto the summer with her lead single from her debut album, ‘Cool For The Summer’. Instantly infectious, the record became a rather instant hit for Pop radio. After raising a personal bar and adding some sex appeal to her repertoire with the announcement of her upcoming album, Confident, Demi Lovato turned it out on stage at this year’s Video Music Awards. On top of it all, Demi added a special guest, Iggy Azalea, and provided a new version of the Summer tune. With good looks and even better vocals to her name, watch Demi shake up the VMAs with her ‘Cool For The Summer’ performance, below.