Fans are stunned to see how much Grace VanderWaal has grown up after winning 'America's Got Talent' at 12 years old ...

Sportmax blazer, top, shorts, and belt; Stylist's own tights and jewelry; Jimmy Choo Love 85 Logo Leather Pumps ($795) Grace ...

Eight years after Grace VanderWaal won "America's Got Talent ... "I had the weirdest experience recently," VanderWaal, now 20 ...

Grace VanderWaal chats with ET's Denny Directo at the Toronto International Film Festival screening of her movie, 'Megalopolis.' See every winner since 'AGT' kicked off in 2006. ET's Denny Directo ...