<iframe width="560" height="315" src="https://www.youtube.com/embed/7KS2oJPzeZk" frameborder="0" allowfullscreen></iframe>
Fator and his puppet, Winston the Impersonating Turtle, have a $100 million five-year contract at The Mirage Hotel in Las Vegas.
Farmer burst into tears when host Tyra Banks announced her as the winner, joined onstage by runner-up Angelica Hale, a 10-year-old singer with a history of major health challenges.
On Tuesday's (Sept. 19) first night of live finals, Farmer performed The Beatles' "With a Little Help from My Friends," impressing judge Simon Cowell, who predicted: "I think you're gonna win." Watch here:
<iframe width="560" height="315" src="https://www.youtube.com/embed/8ropWor8aAM" frameborder="0" allowfullscreen></iframe>
Rounding out the top 10: singers Kechi Okwuchi, Evie Clair, Chase Goehring and Mandy Harvey; comedian Preacher Lawson; dog trainer Sara & Hero; and dance troupes Light Balance and Diavolo.
All of the finalists will perform Nov. 3-4 for America's Got Talent Live at Planet Hollywood in Las Vegas, headlined by Farmer.