@carrieunderwood / Instagram 1 / 9
@carrieunderwood / Instagram 1 / 9

What a cutie!

Carrie Underwood shared a new photo of newborn son Isaiah Fisher that reveals his face for the first time, and it's a keeper!

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In the sweet snapshot, the four-week old son of the country star, 32, and NHL player Mike Fisher, 34, is sleeping -- but he's still got a good grip on a miniature Nashville Predators hockey stick. (That would be Daddy's team.)

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"The Predators are in the playoffs!" Underwood captioned the pic, which she posted on Instagram on March 29. "Just waiting to get called up! #PutMeInCoach."

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Underwood gave birth to Isaiah -- her and Mike's first child -- on Feb. 27. The first photo she shared of the son she calls her "sweet angel" revealed only his hand.