Demi Lovatoat Z100 ‘New Single ‘Cool for the Summer’ Celebration Party – July 1

Demi Lovato attends Demi Lovato’s Debut of her New Single, ‘Cool for the Summer,’ with Z100 at Gansevoort Park Avenue on July 1, 2015 in New York City. Geez, Demi looking freaking gorgeous and flaunting her curve!