Demi Lovato Performs at iHeartRadio Music Festival in Las Vegas, September 2015

Demi Lovato Performs at iHeartRadio Music Festival in Las Vegas, September 2015-1

Demi Lovato Performs at iHeartRadio Music Festival in Las Vegas, September 2015

Demi Lovato Performs at iHeartRadio Music Festival in Las Vegas, September 2015-2

Demi Lovato Performs at iHeartRadio Music Festival in Las Vegas, September 2015-3

Demi Lovato Performs at iHeartRadio Music Festival in Las Vegas, September 2015-4

Demi Lovato Performs at iHeartRadio Music Festival in Las Vegas, September 2015-5