America's Got Talent is ready to spotlight some must-see-to-believe gifts on summer's biggest entertainment stage. In Us Weekly's exclusive reveal of the season 21 trailer for NBC's hit reality competition series, host Terry Crews is ready to reunite with judges Simon Cowell, Sofía Vergara, Mel B and Howie Mandel to help shine a light on previously undiscovered acts worth the $1 million grand prize. "Two minutes can literally change your life," Simon teases before praising one impressive audition. "That felt like a gold medal performance.