Dorothy Williams, 90, took to the America's Got Talent stage and shocked everybody in her burlesque act. The Hawaiian delighted the judges including Simon Cowell, Howie Mandel, Heidi Klum and Mel B. Klum deemed the performance "really, really special" and said it put her in a good mood. Mandel said he found Williams inspiring and that she's a star. As for Cowell, he said he found the 90-year-old widow "fascinating.