Demi Lovato at the 2017 Billboard Hot 100 Festival at Jones Beach Theater in Wantagh 08/19/2017

Demi Lovato at the 2017 Billboard Hot 100 Festival at Jones Beach Theater in Wantagh 08/19/2017-1

The 25-year-old actress and singer Demi Lovato, who who appeared in “Camp Rock” with the Jonas Brothers, at the 2017 Billboard Hot 100 Festival at Jones Beach Theater in Wantagh.

Demi Lovato at the 2017 Billboard Hot 100 Festival at Jones Beach Theater in Wantagh 08/19/2017-2

Demi Lovato at the 2017 Billboard Hot 100 Festival at Jones Beach Theater in Wantagh 08/19/2017-3

Demi Lovato at the 2017 Billboard Hot 100 Festival at Jones Beach Theater in Wantagh 08/19/2017-4

Demi Lovato at the 2017 Billboard Hot 100 Festival at Jones Beach Theater in Wantagh 08/19/2017-5