America's Got Talent featured the Top 10 acts performing for the final time in the hope of winning $1 million and the chance to headline a Las Vegas show during Tuesday night's Season 13 broadcast on NBC.

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The final performance show had many "wow" moments, with judge Simon Cowell predicting before the night even began that the competition was wide open and any of the 10 acts could have a "life-changing moment" that could result in victory.

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Singer Courtney Hadwin took the stage with Tina Turner's "River Deep, Mountain High."

Howie called the recipient of his Golden Buzzer and a standing ovation in the finals a "superstar in the making." After Howie also said she's "on fire," Simon insisted she inspires people and is "more than a great singer," as she's a "trendsetter" as well.

Electric violinist Brian King Joseph performed an interesting rendition of Kanye West's "Heartless" that featured flashing lights and pyrotechnics. Brian received a standing ovation from all four judges -- Simon, Howie Mandel, Heidi Klum and Melanie "Mel B" Brown.

"I can't believe that we opened the show with what I would consider a closer... It was truly amazing. You just set the bar for the whole evening," Howie said.

Simon then noted, "Last week was sensational. This was better. This is everything this show should be... I think you've got a real shot here. I think this show, I hope, will change your life. You deserve it."

Singer Glennis Grace sang "Run" by Snow Patrol and received a standing ovation from the judging panel. Simon gushed "oh my God" and called her voice "absolutely sensational," while Heidi added that her voice is "the real deal."

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Opera singer Daniel Emmet belted out "Perfect Symphony" by Ed Sheeran in Italian. He got Heidi, Mel B and Simon up on their feet.

Mel B was "in heaven" after listening to Daniel's vocals, and Heidi called him "unstoppable" and "a fighter." Simon agreed the performance was "powerful" and he can walk away from the competition with his head held high.

Singer Michael Ketterer, who was Simon's Golden Buzzer recipient, sang "Ain't No Mountain High Enough" by Diana Ross. Mel B wasn't blown away by his performance, but Heidi said he's got the winning combination of talent, personality and more.
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"I'd love to be able to give your family the million dollars and a chance because you're just the greatest guy. You were nervous, but that makes you human. So let's see what happens," Simon explained.

Acrobatic group Zurcaroh transformed the stage into a jungle and performed to "Baba Yetu" with human jump ropes and more.

After receiving a standing ovation from all four judges and roaring applause from the audience, Mel B commented, "I have a funny feeling that you can win this entire show," and Heidi called it "a jaw-dropping performance."

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Magician Shin Lim played the piano and wowed with some card-bending tricks. Howie admitted Shin Lim is a "$1 million act worthy of it's own show in Vegas." And Simon agreed, "This can actually win."

Acrobatic couple Duo Transcend delivered an incredible trapeze routine. Howie gushed, "Every week seems like a winning act," with Heidi calling their performance "exciting," "sexy" and "dangerous."

Comedian Vicki Barbolak's routine earned a standing ovation from the judging panel. Heidi dubbed her "hilarious" and Simon said she was "brilliant" on the stage. It was her "best act yet," according to Howie.

Fellow comedian Samuel J. Comroe delivered some funny material, with Simon admitting, "You have given yourself a shot after that." Not only did he make Mel B's "cheeks hurt," but all the judges stood up for him, and Howie gushed, "I love you. I think you brought your A-game."

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