'America's Got Talent': Nurse Choir Closes Out 'Amazing' Finals With Joyful Tune - See the Night's Highlights!

The Northwell Nurse Choir are heroes and wildly talented singers and they have been tasked with closing out the finals with an incredible, life-affirming rendition of Rachel Platten's "Stand By You."

The song is just infused with the uplifting joy the world needs now, and the judges are overcome with love and appreciation for the performance.

"What a treat what a way to close the show you guys are not only good, you guys are an inspiration. I am so happy you guys made it to the finals," Sofia says.

"Honestly, this is a night I will never ever forget," Simon marvels. "I've done a lot of these shows before but everyone tonight has been amazing."

"I'm gonna stand by you, and I'm gonna say you are probably going to win this," Howie shares.

Well, it's up to America to vote now, and we'll find out who wins on Wednesday's AGT, kicking off at 9 p.m. ET/PT.

Josh Blue is a true inspiration, and he's doing what he loves -- even when it hurts. But he turns his pain into comedy, and it shows just how devoted he is to his art.

His act is incredibly funny, and his stage presence can be felt in every bit of his delivery.

However, the highlight of his act tonight comes with his last jokes, when he pokes fun at the fact that Botox was originally being tested to help people with cerebral palsy, but those plans were abandoned when they found out it could help with wrinkles.

"I love that joke, because I'm sure you can feel there's like a weird vibe that kind of moves through the room," Josh says. "What that is is that's just all the people with Botox trying to frown."

"Right, Simon?" Josh adds with a smile as Simon laughs uproariously in his chair.

Dustin Tavella is more than just a magician, he's a storyteller, he's a motivational and inspirational force of nature, and he seems like a genuinely good dude.

Tonight's performance isn't focused on the magic itself, but instead on the impact magic and positivity can have on the world.

The performance ends with the audience and judges being showered in confetti, with the word "give" written across it, as a reminder than giving is the foundation of change.

"Dustin, you really are amazing," Simon marvels. "You know what? I said this about you before, you are just an amazing story teller, and I am so happy that you entered the show. I'm so happy America has put you on this stage. I love everything about you."

"I think you just 'give' yourself, or gave yourself, a shot at winning this whole thing," Howie say, holding up one of the pieces of confetti. "I think that what you do with emotion and humanity and relatability, you make the impossible possible."

Brooke Simpson wants to be a true pop icon -- and tonight she is giving herself a real chance at glory.

Brooke owns the stage like a seasoned pro as she belts out a powerful cover of Bishop Briggs' "White Flag" that is a master class in performing live.

"You are the perfect example of someone coming to the finals and raising the bar," Sofia shares. "It was spectacular and it was my favorite that you've done."

"That's why we love you, Brooke, because every time you come on this stage, you give us every ounce of your talent, your soul," Simon says. "I think you're an amazing person, an amazing role model. And after that performance... you've given yourself a shot of winning this now."

Aidan Bryant is only getting better each and every time he hits the stage.

The 16-year-old self-taught aerialist is absolutely flawless. His skill is undeniable, and his stage presence and creativity are among the most captivating in the history of the show.

After his pyrotechnic display of brilliance, he got a standing ovation from everyone, to the extent of Simon Cowell stepping up to applaud while standing on the judges table.

"I didn't think a standing ovation was big enough for what that was," Simon explains. "You are unbelievably talented... This was honestly one of the best live performances I've ever seen."

"I'm just so proud of you and what you have accomplished," Heidi shares.

The World Taekwondo Demonstration Team should already be the biggest act in America.

They are next-level talented and bring a commitment and intensity to their stage-show that is incredible.

This performance tonight dramatically elevates the energy level in the theater and as the kicks get higher the more and more boards get shattered, the World Taekwondo Demonstration Team is easily the most exciting act of the whole season.

"I have to say this is the best act of the night," Howie marvels.

"I've been screaming the entire time!" Heidi says. "Your act has exciting written all over it. I still don't understand how you're doing it!"

"I've got to be honest with you I was getting a bit bored of you before," Simon says. "And then tonight, that was bloody brilliant! It was synchronized brilliance! That is how you put on a show. As Howie said, best act of the night so far, you are the ones to beat."

The battle of the stand-up comics is heating up tonight -- with only two in the finals -- and Gina is the first to hit the stage and she's absolutely amazing.

She jokes about her marriage, her fights with her husband, and her jealous nature (but in a good way) and she has the audience rolling.

Howie is the first to share his feedback, and he mentions the loss of Norm Macdonald.

"Having you and seeing you and Josh [Blue] on the show today brings us back and lets us know that laughter is still alive and laughter is the best medicine," Howie shares.

"I love that you're so comfortable on stage that made us so comfortable watching you," Heidi says. "It's amazing what you do, you're relatable, you're funny, and I love that your material comes from a woman's point of view, which I enjoy and I adore."

Victory Brinker is 9 years old, and she's already a mega-talent.

On tonight's finals, Victory belts out yet another opera tune that is every bit as flawless and professional as singers who have been opera talents for years.

"Tonight you were in a different league to any other live show, live performance you've done so far," Simon shares. "You have something special about you. You're an absolute star."

Howie praises Victory for being an inspiration to other people who want to pursue their passions.

"I love you so much! You look like a winner, you sound like a winner, and honestly, you could have not done any better," Heidi says. "You are perfection." 

For her final performance of the season, Lea Kyle is breaking bad in the best way.

Her quick-change talent is next level and truly breathtaking, and tonight she's also got the stage presence needed to be a real icon.

The story she tells involves safe cracking, paintings being stolen (well, the colors being stolen from them to color her dresses, at least).

There's really no way to oversell how brilliant this performance was. Simon says the only complaint he has is that it was over too soon and he wanted even more.

"I'm not an expert... but I genuinely do believe you are the best in the world," Simons says.

"You have been amazing this entire season but today was the best," shares Heidi, who gave Lea her Golden Buzzer back during the auditions.

This is how you start things off on a solid footing!

Sofia's Golden Buzzer winner Jimmie Herrod is the first to hit the stage tonight, and he's clearly in it to win it.

Jimmie opens the show with a famously emotional tune, Louis Armstrong's "What a Wonderful World" that proves to be a beautiful showcase for his stunning voice and undeniable talent.

Jimmie closes out the incredible number on a high note that he holds for what feels like ever, and it earns him a standing ovation from everyone.

"I am so proud of you," Sofia marvels.

"I think there are no words to describe your voice," Howie shares. "You can take any classic song and make it your own because you are a classic. I've never heard a voice more pure."

Simon compliments Jimmie on delivering the "big, powerful diva note" that really secured his place as the season's frontrunner.

Tonight is the finals, and there's so much on the line!

The winner of AGT gets a $1 million grand prize and, almost more importantly, they get a show at the Luxor in Las Vegas!

Someone's life could be changed forever based on how hard they bring it tonight, so we should be in for a great show!