MIAMI, FL - DECEMBER 18: Demi Lovato attends the 2015 Y100 Jingle Ball at BB&T Center on December 18, 2015 in Sunrise, Florida. (Photo by Manny Hernandez/Filmmagic)
MIAMI, FL - DECEMBER 18: Demi Lovato attends the 2015 Y100 Jingle Ball at BB&T Center on December 18, 2015 in Sunrise, Florida. (Photo by Manny Hernandez/Filmmagic)