Demi Lovato is getting back into the pop-star game, at least on the trashy niche-pop level that's given us so much fun music over the last few years. Lovato's new single "Fast" is a thumping ...

NEW YORK (AP) - Before achieving back-to-back radio hits with "Give Your Heart a Break" and "Heart Attack," Demi Lovato wondered why she had yet to find her breakthrough on the radio. She knew she had ...