Demi Lovato starts The Neon Lights Tour and sings with Nick Jonas

Demi Lovato began the "Neon Lights Tour" last Sunday (9).

The longtime friend, Nick Jonas, who was hired as creative and musical director of the tour performed the track "Heart Attack" in the first tour date.

The duo has special performance of the song that composed together, "Stop The World", plus the tracks "Catch Me" and "Here We Go Again".

Lucy Hale also attended the show yesterday (11), and visited the star behind the scenes, and the actor of "Glee," Chord Overstreet , played guitar during the performance of the single " Made In The USA".

The "The Neon Lights Tour" will come to Brazil on April 23, for eight sold out shows in Sao Paulo, Rio de Janeiro, Belo Horizonte, Brasilia and Porto Alegre.

Check out videos, photos and setlist from the early days of the tour:

" Heart Attack "
" Remember December "
" Fire Starter "
" The Middle "
" Really Do not Care (Feat. Cher Lloyd) "
" Stop The World "
" Catch Me "
" Here We Go Again "
" Made In The USA "
" Nightingale "
" Two Pieces "
" Warrior "
" Let It Go "
" Do not Forget "
" Got Dynamite "
" Unbroken "
" Neon Lights "
" Skyscraper "
" Give Your Heart A Break "