Home Videos AGT: Heidi Klum REACTS to Howie Mandel PRANKING HER During Contestant Performance (Exclusive) AGT: Heidi Klum REACTS to Howie Mandel PRANKING HER During Contestant Performance (Exclusive) Sep 20, 2023 comments off Tweet on Twitter Share on Facebook Pinterest America's Got Talent Heidi Klum Howie Mandel