TAMPA, FL - DECEMBER 22: Demi Lovato performs onstage during 93.3 FLZs Jingle Ball 2014 at Amalie Arena on December 22, 2014 in Tampa, Florida. (Photo by Alexander Tamargo/Getty Images for iHeartMedia)
TAMPA, FL - DECEMBER 22: Demi Lovato performs onstage during 93.3 FLZs Jingle Ball 2014 at Amalie Arena on December 22, 2014 in Tampa, Florida. (Photo by Alexander Tamargo/Getty Images for iHeartMedia)