It all comes down to Olate Dogs, Tom Cotter and William Close in the September 13 finale, which sees Justin Bieber, OneRepublic and Green Day catering the audience.
Marking the end of its latest installment, "America's Got Talent" unveiled the winner of season 7 on Thursday, September 13. Before the final results were announced, the remaining six finalists took the stage one last time.
David Girabaldi showed his painting skill while Flo Rida sang. After a performance by Ne-Yo, William Close had a duet with OneRepublic. Nick Cannon then unveiled the bottom three acts: The Untouchables, Joe Castillo as well as David Girabaldi & His CMYK's.
Justin Bieber and Green Day later got the audience screaming before it was announced that William Close was also out of the running for the grand prize, leaving it between Olate Dogs or Tom Cotter. The dog trick act apparently got the most votes and nabbed the champion title at the competition.
Sharon Osbourne, who had previously said she would leave the show after this season, jumped up and congratulated the winner. The act was entitled to a $1 million prize and a headlining show in Las Vegas.