NBC’s America’s Got Talent returns for its 12th season with a new host, Tyra Banks. Howie Mandell, Mel B, Heidi Klum and Simon Cowell also return as judges. Since the auditions started on May 30, 2017, over 60 auditions have aired. More than 10 auditions have breached the million mark in terms of views. But more than 4 auditions have …