Demi Lovato Rehearses for Fireworks Spectacular with Nick Jonas!

Demi Lovato belts out a song alongside her longtime friend and current tourmate Nick Jonas while rehearsing for their Fourth of July performance on Sunday (July 3) at the DCR Hatch Shell in Boston, Mass.

The singers will both be performing during the Boston Pops Fireworks Spectacular, which is airing on CBS at 9/8c later tonight.

During their show on Saturday night in Orlando, Demi and Nick did a tribute to the victims of the Pulse nightclub shooting. They welcomed Andra Day to the stage and performed her song “Rise Up.”