<P> The first season of America 's Got Talent premiered on June 21 , 2006 and concluded on August 17 , 2006 . The audition tour took place in April 2006 , stopping at Los Angeles , New York , and Chicago . Regis Philbin was the host for this season . David Hasselhoff , Brandy Norwood , and Piers Morgan were the judges . This season 's winner was Bianca Ryan . </P>
who won the first season of america 's got talent
Bianca Ryan