Grace VanderWaal's Got Treehouse Treehouse Masters : Season 9 Episode 8
TV-PG TLC 42m
Aired: September 15th, 2017 @ 9:00 PM EST on TLC
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.
