Christian Guardino was very nervous during his audition. But what he did next was an absolute shock to the audience and the judges.

“You are like a shining light that just showed us everything”.

“You have an incredible gift. What a voice. Incredible,” said Heidi Klum. Simon Cowell called him “one of my favorite contestants I’ve seen this year. . . . It’s the best feeling possible when we meet people like you.

This guy can sing like crazy, he’s really talented and so humble.

Guardino, whose mother is a nurse and whose father is “a pizza delivery man”, he said, spent his first 12 years blind due to a rare retinal condition, Leber congenital amaurosis. Eventually, following groundbreaking research at the University of Pennsylvania’s Scheie Eye Institute, doctors integrated a healthy gene into his eye and he regained his sight.