We have to imagine that auditioning for a competition show like this would be nerve-racking, but you'd never know that by watching 12-year-old Ansley Burns. The pint-sized powerhouse wowed the judges wit her vocal chops during her America's Got Talent audition in June, where she sang Aretha Franklin's "Think." Following a slip-up with the backing track, Simon asked her to sing the song again a cappella, and unsurprisingly, she killed it.