"America's Got Talent" contestants Aaralyn and Isaiah may seem like a darling duo but their act was anything but precious.
The brother-sister pair performed a song they wrote entitled, "Zombie Skin." Her
screaming singing was enough to make everyone's jaw drop and judge Howie Mandel rock out. Their intensity even scared Scary Spice, judge Mel B, but it also got them through to Vegas.
After watching this video you will never under estimate the power of a six-year-old girl in a polka-dot dress again.