<P> In season one, the show was hosted by Regis Philbin and judged by actor David Hasselhoff, singer Brandy Norwood, and journalist Piers Morgan . </P> <P> The winner of the season was 11 - year - old singer Bianca Ryan, and the runners - up were clogging group All That and musical group The Millers . </P> <P> After initially announcing in June 2006 that season two would premiere in January 2007 and would air at 8 pm on Sunday nights, with no separate results show, the network changed that, pushing the show back to the summer, where the first season had enjoyed great success . This move kept the show out of direct competition with American Idol, which had a similar premise and was more popular . </P> <P> In AGT's place, another reality - based talent show, Grease: You're The One That I Want, began airing on Sunday nights in the same time slot on NBC beginning in January . In March, NBC announced that Philbin would not return as host of the show, and that Jerry Springer would succeed him as host, with Sharon Osbourne (formerly a judge on Cowell's UK show The X Factor) succeeding Brandy Norwood as a judge . </P>

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