Treehouse Masters season 9 episode 9

Air Date: 2017-09-15

Duration: 60 min

Genre: Reality

Grace VanderWaal's Got Treehouse

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.