### Trending on Billboard Dreams do come true. That’s certainly the case for Nene Royal, the precocious talent who was tonight crowned winner of America’s Got Talent. The 16-year-old Thai singer and guitarist has electrified audiences — and AGT‘s judges — throughout this 21st season. When it mattered most, the teen sensation captured the heart of the nation. She won America’s vote and captured the title, announced during the two-hour results show which aired Wednesday night (Sept. 23) on NBC. As the champion, Royal earns more than bragging rights. She scores the $1 million grand prize and a…