Created by Simon Cowell, America’s Got Talent debuted on NBC in June 2006, shortly after the show was set to launch in the U.K. While the contestants and their talents change each season, they’re not the only element that switches up. At first, the reality competition series was hosted by Regis Philbin with David Hasselhoff, Brandy Norwood and Piers Morgan serving as judges. After the first season, Philbin was replaced by Jerry Springer while Norwood left and Sharon Osbourne stepped in. Over the years, Cowell, Howard Stern, Howie Mandel, Mel B, Heidi Klum, Gabrielle Union,...