A doting dad's emotional moment with his deaf son Judah is melting hearts around the world – and it's not hard to see why.

25-year-old Zach Oxendine was at his home in Lumberton, North Carolina when he started rocking Judah along to a song called "Boy" by Lee Brice.

Zach can be seen lovingly watching his son's face as he sings along to the song. Even though he knows his son can't hear everything, there is undoubtedly connection.

When Zach notices his mother Linda filming the exchange, he gets shy and tells her to turn the camera off.

Linda persisted in her recording and although Zach keeps smiling, saying he's "going to cry," he continues trying to sing to Judah until eventually, the youngster gives his dad the most adorable smile.

Unable to contain himself, Zach finally breaks down with emotion.

(WATCH the video below)

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