Hunter Hayes to Replace Demi Lovato at VH1's Philly 4th of July Jam, 'Heart Attack' Singer Sick with Tonsillitis

Demi Lovato may be "Made in the USA," but the X Factor judge will not be able to perform at Philly 4th of July Jam put on by VH1. The "Heart Attack" singer had to cancel her performance at the program due to tonsillitis. Read More »