• DEMI LOVATO photo | Demi Lovato

Credit: Courtesy Demi Lovato

Published: Thursday September 18, 2014 16:15 PM EDT

2014

DEMI LOVATO

For her emoji-filled healthie, the "Really Don't Care" singer rocks sunglasses and a big smile. "Finished my morning workout on the track. Now it's time for 4th of July festivities!!!!" she wrote on Instagram over the summer.