These girls defy gravity, form a human staircase and perform a dangerous acrobatic routine. See what Innovative Force has in store for the semi-finals! » Get The America's Got Talent App: http://bit.ly/AGTAppDownload » Subscribe for More: http://bit.ly/AGTSub » Watch America's Got Talent Tuesdays & Wednesdays 8/7c on NBC! » Watch Full Episodes Free: http://bit.ly/AGTFullEpisodes AMERICA'S GOT TALENT ON SOCIAL Like AGT: https://www.facebook.com/agt Follow AGT: https://twitter.com/agt AGT Tumblr: http://nbcagt.tumblr.com/ AGT Instagram: http://instagram.com/agt In season 8, NBC’s America’s Got Talent follows Howard Stern, Heidi Klum, Mel B, Howie Mandel, and host Nick Cannon in their talent search, showcasing unique performers from across the country. Find America's Got Talent trailers, full episode highlights, previews, promos, clips, and digital exclusives here. NBC ON SOCIAL Like NBC: http://Facebook.com/NBC Follow NBC: http://Twitter.com/NBC NBC Tumblr: http://NBCtv.tumblr.com/ NBC Pinterest: http://Pinterest.com/NBCtv/ NBC Google+: https://plus.google.com/+NBC YouTube: http://www.youtube.com/nbc NBC Instagram: http://instagram.com/nbc ABOUT AMERICA'S GOT TALENT With the talent search open to acts of all ages, "America's Got Talent" has brought the variety format back to the forefront of American culture by showcasing unique performers from across the country. The series is a true celebration of the American spirit, featuring a colorful array of singers, dancers, comedians, contortionists, impressionists, jugglers, magicians, ventriloquists and hopeful stars, all vying for their chance to win America's hearts and the $1 million prize. Follow judges Simon Cowell, Heidi Klum, Mel B, Howie Mandel, and host Tyra Banks in their talent search! Innovative Force - High-Flying Acrobatic Dance - America's Got Talent Semi-Finals 2013 http://www.youtube.com/user/americasgottalent