Grace VanderWaal Is ‘So Excited and So Scared’ About Her Role in ‘Stargirl’ (INTERVIEW)Grace VanderWaal Is ‘So Excited and So Scared’ About Her Role in ‘Stargirl’ (INTERVIEW)Grace VanderWaal opens up her brand new ukulele collection for Fender, her upcoming role in Disney's 'Stargirl' film adaptation and more.Erica RussellErica Russell