bigger and brighter than ever! ET will be following along throughout the two-hour episode to break down all the best, biggest and most surprising moments.Simon Cowell, Howie Mandel, Sofia Vergara and Heidi Klum will be judging and voting on a whole new slate of hopefuls, who are giving it their all for a shot at moving on to the next round of competition, or maybe earning the coveted Golden Buzzer!Earlier this season, the judges made history when all four of them, along with host Terry