You Need to Watch This 12 Year Old's Performance On "Britain's Got Talent"

Nerves had nothing on this incredible 12-year-old singer.

If you haven't seen Beau Dermott's viral performance on "Britain's Got Talent," you need to now. 

Dermott wows the audience with her stellar voice as she belts out "Defying Gravity" from the hit Broadway musical "Wicked." Although she admitted she was nervous before her performance, by the end of it she receives a standing ovation from all of the judges, including Simon Cowell.

Watch the full performance below:

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Photo Credit: STV/Twitter