Michael Bublé joins Christian Gardino to enhance “Smile” performance at “American Idol” finale

During the inspiring “American Idol” finale on Sunday night, viewers cheered Michael Bublé.

A Canadian singer appeared during the show and sang the take of the classic song “Smile”, first recorded by Nat King Cole in 1954.

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After singing the opening poem, Bouble welcomed top seven finalists Christian Gardino into a duet.

The 21-year-old singer quickly cheered from the crowd, perfectly complementing Bouble’s vocals, and ultimately an uplifting moment.

Singing a duet together was a culmination after Bouble surprised Gardino in the May 8 episode of “American Idol” and invited him to join the duet at the finale.

“Are you kidding me? Are you serious?” Gardino then said before accepting the offer from the bottom of his heart.

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Despite not being in the top three, Guardino has already attacked on its own and released the single “Higher” earlier this month.