Jessica Sanchez is an America's Got Talent champion nearly 20 years in the making. Two decades after first appearing on NBC's competition series, the singer was crowned the winner of season 20. "Look at my life. I started when I was 10 years old on AGT, and here I am 20 years later, and those 20 years were full of highs and low lows," Sanchez, 30, exclusively shared with Us Weekly after the semifinals on September 16. "It's been a struggle, but I believed in myself and kept pushing, and here I am now more blessed than ever. You just have to keep believing.