The finalists head to Radio City Music Hall in New York City to prove that they're the rightful heirs to AGT's million-dollar prize.

After a night of amazing performances, the contestants gather to find out who's moving on to the Semifinals and who's headed home. Labrinth and Emeli Sandé perform.

Welcome to the first week of semifinals! Twelve semifinalists battle it out for a spot in the finals.

Twelve performers took the stage last night, but only six can move on to the finals for a chance at AGT's $1 million prize.

Welcome to the AGT finals, live from Radio City Music Hall. Twelve talented finalists take the stage to battle it out for the million-dollar prize.

Twelve talented acts took to the stage last night, but after tonight only six will move one step closer to next week's million-dollar finale.

Welcome to the final night of performances from Radio City! The six talented finalists are ready to give it their all for one last shot at AGT's million-dollar prize. Featuring special performances from Josh Groban, Luke Bryan, Icona Pop, and Il Divo with Heather Headley.

Welcome to the AGT Season 8 finale! Six talented finalists gave it their all last night, and tonight one talented performer will be crowned the million-dollar winner.