WATCH: Michael Buble Sings in NYC Subway

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A few lucky New Yorkers were in for quite the surprise Thursday morning, when Michael Buble decided to serenade subway commuters with an impromptu acappella rendition of Who's Lovin' You.

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Dressed sharply in a suit and tie, Buble sang with the group Naturally 7 at the W. 67th Street subway stop, undoubtedly making all of the onlookers' days!

Buble's rendition of Who's Lovin' You is off his new album To Be Loved.