<P> From season five (2010) to season seven (2012), acts who did not attend live auditions could instead submit a taped audition online via YouTube . Acts from the online auditions were then selected to compete in front of the judges and a live audience during the "live shows" part of the season, prior to the semi-finals . The most successful act of the YouTube auditions was Jackie Evancho, who went on to place second in season five . </P> <P> Before the inclusion of this round, the show had a separate audition episode in seasons three and four (2008--2009) for contestants who posted videos on MySpace . </P> <P> During the live shows, a group of acts ranging from only a Top 20 (season two), to as many as 60, compete for viewers' and judges' votes . In the first season, the judges could not end an act's performance, but could either "check" or "X" the performance during their critique . Since season two (2007), judges have been able to end an act's performance early, and the "check" was removed . Generally, acts each perform first in a live round consisting of a series of quarterfinals . In seasons with YouTube auditions, the round of live judging of YouTube finalists takes place then, as part of these quarterfinals . Then there may be additional shows for "Wild Card" acts--acts that one or more of the judges select to be given one more chance for audience vote despite previous elimination . From these shows, the existing group is narrowed through votes by the public and / or the judges (depending on the season). Acts then move on to a semifinal round, and even further rounds (such as a "Top 8" or a "Top 10", depending on the season) through a series of weekly shows, which trim the number of acts down each time based on a public vote . In the majority of seasons, judges have had no vote from the semifinals . All these rounds culminate in a live final, which has consisted of anywhere from four to ten acts throughout the seasons . The act with the most votes is declared the winner, given $1 million, and, since season three (2008), a chance to headline a show on the Las Vegas Strip . </P> <P> During seasons one through six (2006--11), the live shows were filmed at Stage 36 of CBS Television City in Los Angeles . In season seven (2012), the live shows were held at the New Jersey Performing Arts Center in Newark . From seasons eight through ten (2013--15), live performances were held at Radio City Music Hall in New York . From season eleven (2016) onwards the live shows are being held at the Dolby Theatre . </P>

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