Special guest appearances included Josh Groban, Linkin Park, Steve Aoki, Jessica Sanchez, and Mat Franco.
Among the finalists are Acro Canine Crew, Geno Ploeger, Lai Noelle, Nene Royal, and Unitree.
SALT LAKE CITY — Even as "America's Got Talent" is now in its 21st season, the show's creator and longtime judge, Simon Cowell, continues to be surprised by the wide range of contestants who step onto ...
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