As for Simon Cowell, he said Hale was the "sweetest little thing".
With five acts already guaranteed placement in the finals, Tuesday's episode of America's Got Talent gave the 11 remaining hopefuls one last shot at next week's main event. "I thought, 'This girl's going to be unbelievable'". Simon called the performance a "massive, massive step up". Struggling to speak, Mel B. thanked her for giving people so much hope. "I have faced and gone through my biggest fear, which was losing my hearing, so what's the worst that can happen?" she said. Judge Howie Mandel predicted that Lawson would be the next superstar in comedy. Simon added, "I got goosebumps on my goosebumps on my goosebumps".
Like Tam before him, Christian Guardino turned out a pretty solid performance, taking on Marvin Gaye's "What's Going On".
The singer, who went deaf a few years ago, chose to add sign language to her performance of the original song "Release Me" during the semi-finals round on Tuesday (September 12). Cowell summed up everyone's thoughts when he told her, "It was your best performance by a clear mile".
Singing Ed Sheeran's "Castle on the Hill", which they dedicated to service members serving overseas, and performing some synchronized dance moves, In the Stairwell garnered a standing ovation from the four judges, Howie Mandel, Mel B., Heidi Klum and Simon Cowell. "I have to say that was a really courageous choice for you", she said.
Robot conducts tenor Bocelli, orchestra in Pisa
Itzhak Perlman shouldn't worry just yet, however: Colombini pointed out that YuMi wasn't programmed to respond to changes in an orchestra's performance.
Dance crew Diavolo, who describe their act as "architecture in motion", perform around, on top of and inside large structures.
Can Harvey make to next week's finals if a lot of her Florida fan base can't see her?
Angelica Hale, 10, closed out the show with her cover of "Without You", by David Guetta featuring Usher.
Mel B. wiped away a tear as she praised their performance.
Another young girl also graced the semi-finals round that night on "America's Got Talent". Eastern time on NBC.