WATCH: Contestant wows crowd with solo-duet of Celine Dion classic

It takes a lot to impress the 'America's Got Talent: The Champions' judges - but Marcelito Pomoy's mesmerising duet seemed to be what it takes.

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The singer, hailing from the Philippines, has taken social media by storm with his performance by perfecting singing both female and male voices in 'The Prayer', a duet by Celine Dion and Andrea Bocelli. The audience - and the judges, were left in awe and captivated when Pomoy effortlessly switched between Dion's soprano part and Bocelli's tenor part.

Pomoy, who won the 2011 'Pilipinas Got Talent' competition, received praise from all judges. "That was what I call a 10, as simple as that," Simon Cowell said. Heidi Klum said that the performance was the craziest thing that she has ever heard in her entire life. "Your voice, your song, your range is just so out of this world," she added.

This performance will give you chills. Watch it below: