Treehouse Masters - Grace VanderWaal's Got Treehouse

Seizoen: 9 - Aflevering: 8 / 98 - Eerst uitgezonden: 15 september 2017 - Episode ID: 1567867

When asked in 2016 what she would do with her winnings, ``America's Got Talent'' Season 11 winner Grace Vanderwaal said she wanted a tree house built by Pete Nelson; the 13-year-old singer-songwriter's wish comes true.