America's Got Talent: Howie Mandel hits Golden Buzzer for Brent Street dance group from Sydney, Australia, as auditions continue on NBC show

'You are amazing,' Howie, 68, said after hitting his buzzer'That was for sure the coolest thing I've seen today!' Sofia Vergara , 51, saidThe dancers were all dressed in white and wowed the judges and the audience with their amazing synchronized moves

Howie Mandel shocked the crowd by slamming down his Golden Buzzer for the Brent Street dance group on Tuesday's episode of America's Got Talent on NBC.

'You are amazing,' Howie, 68, said after hitting his buzzer.

At first only Zac, 17, from the Sydney, Australia, dance group took the stage in an all-white outfit. He appeared to be performing alone and then after he asked for them to turn the lights out, Zac was joined on stage by almost 30 dancers all part of the Brent Street dance group

The dancers were all dressed in white and wowed the judges and the audience with their amazing synchronized moves as the song Hope by NF played. Howie was stunned and the judges gave them a standing ovation.

'This was a very, very, very, very exciting dance. Beautiful. It was also something we haven't seen before. Really entertaining!' Heidi Klum, 50, said.

Howie Mandel shocked the crowd by slamming down his Golden Buzzer for the Brent Street dance group on Tuesday's episode of America's Got Talent on NBC

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Sofia Vergara, 51, shows off her VERY pert butt in a clinging white dress during a summer party with many 'beautiful people'

'That was for sure the coolest thing I've seen today!' Sofia Vergara, 51, said.

Howie at first hid below the judges' table and then popped up and surprised everyone by hitting the Golden Buzzer. Members of the dance group hugged each other in disbelief as golden confetti fell down around them.

'You are going to the live show!' Howie screamed.

Hypers Kids Africa, a dance group from Uganda, wore matching red outfits while performing first during the two-hour episode and wowed the judges with an epic routine flipping and tumbling over each other. They told the judges that they wanted to win to build their own house and school. The judges and the audience gave them a standing ovation.

'That was so energetic, so raw,' Howie said.

'This was the perfect audition, well done,' Heidi said.

The judges gave them four yeses.

Next, Flewnt and Inkabee, a father-son rap duo, took the stage. They performed their original song called We That Good.

Howie at first hid below the judges' table and then popped up and surprised everyone by hitting the Golden Buzzer

Members of the Brent Street dance group from Sydney, Australia, celebrated as golden confetti fell

'You are going to the live show!' Howie screamed before joining the dancers on the stage

The Brent Street dance group is associated with Australia's renowned Brent Street performing arts academy

Hypers Kids Africa, a dance group from Uganda, wore matching red outfits while performing first during the two-hour episode

'You are that good,' Simon Cowell, 64, said.

'It's mesmerizing,' Howie said.

'I can't believe that you are 11 years old,' Sofia said. 'You were born to do this and you have the coolest dad in the world.'

The judges all voted them on.

Florian Kohler, 35, from France, who also goes by Venom, brought a pool cue with him to the stage. He said he was a world champion for pool trick shots. He brought Heidi on stage and had her lie down on the table and shot balls around her.

'It's so boring,' Simon said while the act was going and then he pushed his buzzer. 'I'm bored.'

Sofia pushed her buzzer and then Florian hit cue balls off the table into shoes that Howie and Terry held between their legs. The judges didn't vote for him to advance.

Massimo Bertaccini said he discovered a way to transfer his brainwaves to an electrical device. He said he could control a computer with his brain. He flew a drone and Howie and Heidi hit their buzzers. The audience booed him.

Flewnt and Inkabee, a father-son rap duo, took the stage and performed their original song called We That Good

'You are that good,' Simon Cowell, 64, said

Florian Kohler, 35, from France, who also goes by Venom, brought a pool cue with him to the stage and got Heidi to help out

Massimo Bertaccini said he discovered a way to transfer his brainwaves to an electrical device

Next, Daniel Simu from the Netherlands came out carrying his partner, a robot, named Robin. He danced with his robot and the audience cheered, but Heidi hit her buzzer.

'That was incredibly surprising,' Howie said. 'I totally disagree with Hedi.'

'It reminded myself when I was trying to put my kids stroller together,' Heidi said.

'This I thought was hilarious,' Simon said.

He got three yeses and moved on.

'Wow Heidi you are really difficult to please,' Simon said.

'Ask my husband,' Heidi quipped.

Stephanie Rainey, 36, from Ireland, performed an original song called Please Don't Go about losing her nephew when he was just an infant for the judges. Her emotional audition touched the hearts of the audience and judges. The audience gave her a standing ovation when she finished.

Daniel Simu from the Netherlands came out carrying his partner, a robot, named Robin

Stephanie Rainey, 36, from Ireland, performed an original song called Please Don't Go

'Very few acts move people and that was one of the most relatable emotional moments we've had on season 19,' Howie said.

'Your voice sounded amazing on this stage,' Heidi said.

'I absolutely love this,' Simon said.

Stephanie got four yes votes.

Daks Dominoes, two 23-year-old twin brothers from Iowa, wowed the audience with their domino toppling and chain reaction stunt.

Terry had the entire audience leave and told them to come back the next day because the brothers needed all night to set up their 10,0000 dominoes for their act. The audience had to be really quiet when they came back the next day because the dominoes were a 'sound sensitive act.'

Right before they were about to start several paper cups blew down but they were able to put them back.

Howie hit the first domino that started a chain reaction knocking the thousands of dominoes down.

'It was super entertaining,' Sofia said.

Daks Dominoes, two 23-year-old twin brothers from Iowa, wowed the audience with their domino toppling and chain reaction stuny

Heidi wasn't impressed.

'Maybe for young kids it's a fun thing to try at home,' Heidi said.

The judges voted them on.

Maya Neelakantan, 10, from India, took the stage in an Indian sari carrying a guitar. She then rocked out on the guitar shocking the audience.

'I think you are absolutely incredible,' Heidi said.

The judges gave her four yes votes

CPA Girona, an all-female artistic skating group from Girona, Spain, roller skated out to the stage wearing matching animal print body suits. They skated around the stage to an Olivia Rodrigo song.

An all-female artistic skating group from Girona, Spain, roller skated out to the stage wearing matching animal print body suits

'You are like the Rockettes on rollerskates,' Heidi said. 'I thought it was really beautiful.'

'I thought the first half was really interesting and then it was like a bunch of girls roller skating,' Simon said.

The judges didn't vote them on.

Jo from Belgium then took the stage with a live chicken called Curry. He said they flew together because the chicken was his emotional support pet. He said he has been with the chicken for seven years and they even take baths together. Each of the judges wrote what they were afraid of and Curry guessed what they were fearful of. Curry picked the card correctly that Simon was afraid of giant spiders. Curry laid an egg and inside it said 'drowning' Howie's fear.

'This chicken needs to be famous,' Heidi said.

Jo and Curry got four yes votes.

L6, a family singing group from the Philippines, started singing together, but Simon quickly stopped them.

Jo from Belgium then took the stage with a live chicken called Curry

L6, a family singing group from the Philippines, started singing together, but Simon quickly stopped them

The audience booed. He told them to lose the track they were singing to and told them they had the potential to be a good acapella group.

'Boss is always right, your voices didn't need all that noise behind you,' Sofia said. 'I think you guys are great!'

The judges gave them four yes votes.

America's Got Talent will return next Tuesday on NBC.