Demi Lovato admits she may never tour again, due to the toll it takes on her body, in her latest cover story for ���The Hollywood Reporter.��� The singer also discusses her upcoming directorial debut with the Hulu documentary, ‘Child Star,’ where she delves into the challenges of growing up in the spotlight. Also featured in the doc are fellow child stars Drew Barrymore, Alyson Stoner, Christina Ricci, Raven-Symon�� and JoJo Siwa.