Justice Crew: Australian Singing Dance Crew Performs Original - America'...

BOOM! The winners of Australia's Got Talent brought swag to AGT: The Champions with their song "Boom Boom."

"America’s Got Talent: The Champions" brings together the world’s most talented, memorable and all-around fan-favorite acts from past seasons of "AGT" and the other "Got Talent" franchises, spanning 194 territories