Seven of twelve acts from the previous night's show will move on to the semi-final round of competition. Tonight, viewers will have one last chance to send their favorite performer to the next round by participating in the Dunkin' Save, by using the ‘America's Got Talent’ Official App or going to NBC.com. Also featuring a surprise guest performance. Starring creator and executive producer Simon Cowell, Mel B, Heidi Klum, Howie Mandel and host, Tyra Banks.