The votes are in and the four acts that will compete in the live finale are revealed. The final four acts will go on to perform one last time for a chance at the $1 million prize and becoming the most talented act in America.

Live from Hollywood -- it's the season finale of "America's Got Talent" where host Nick Cannon will reveal who America has chosen to win the $1 million prize and a headlining show in Las Vegas. Special guest stars from Las Vegas and Hollywood will perform throughout the night.