Victory Brinker stole the hearts of people around the country earlier this year when she finished as a finalist on season 16 of America's Got Talent. The 9-year-old received the first-ever group ...

"It's crazy, it's mad," the 14-year-old Polish singer told PEOPLE after receiving ... since her first appearance on the AGT stage. "I couldn't ever believe that I could be here," she explained.