WATCH: 13-year-old opera singer stuns on 'America's Got Talent'

Beautiful. Chilling. Astounding. These are all words to describe the voice of eighth-grader Laura Bretan.

The 13-year-old appeared on the first night of auditions for the Season 11 premiere of “America’s Got Talent,” and she delivered a moving opera performance.

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“You are born with such a gift. It is unbelievable. I could not stop smiling,” said Heidi Klum.

And she wasn’t the only judge to think Laura did a great job.

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“I have never heard anything like that in all the years I’ve been doing this show. Seriously. It was unbelievable,” said Simon Cowell.

Mel B eventually hit the golden buzzer for Laura, sending her automatically through to the live round of the show.