12-Year-Old Kalamazoo Area Girl Blows Judges' Minds on AGT12-Year-Old Kalamazoo Area Girl Blows Judges' Minds on AGTAs if stepping out onto 'The World's Biggest Stage' wouldn't be nerve-racking enough at 12 years old, Brynn approached the judge's table for some mentalism. Duffy ConnollyDuffy Connolly