America's Got Talent is a popular reality television show that has been airing since 2006. The show features a panel of judges who evaluate the performances of contestants and decide who advances in the competition. Two of the most well-known judges are Howard STERN and Heidi Klum. STERN is an American radio personality, television host, author, and actor who has been a judge on America's Got Talent since 2012. Klum is a German model, television personality, businesswoman, fashion designer, television producer, and actress who has been a judge on the show since 2013.