The "America's Got Talent" finalists did it their way -- and the judges loved it.

Viewer votes will determine which of the 10 finalists will win a chance to headline a Las Vegas show and the $1 million grand prize. Before the fourth season winner is crowned Wednesday, Susan Boyle, the Scottish sensation of "Britain's Got Talent," will make her U.S. TV singing debut. Leona Lewis, Shakira and Rascal Flatts are also scheduled to perform.

More than half of the final 10 acts competing to win the NBC talent competition are singers.