Carrie Underwood celebrates her son Jacob turning two by sharing a sweet photo ...

She rarely shares photos of her two young children on social media.

But Carrie Underwood made an exception on Thursday to mark her son Jacob's second birthday.

The 37-year-old country music superstar posted an adorable photo of her toddler from when he was still a newborn to mark the occasion.

Adorable: Carrie Underwood, 37, posted a sweet photo of her son Jacob that was taken shortly after he was born to mark his second birthday on January 21

Adorable: Carrie Underwood, 37, posted a sweet photo of her son Jacob that was taken shortly after he was born to mark his second birthday on January 21

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Jacob seemed to be sleeping peacefully in the picture, which showed him with a hat and swaddled in a white patterned blanket.

'Jacob, we longed for you. We prayed for you. We walked a long, hard road in order to one day hold you,' Carrie captioned the snap.

'Today you are two. You are silly and strong. You love to play and sing and follow your big brother around. You are loved. You are cherished. You are an incredible blessing from God. Happy birthday, sweet boy!' she concluded.

Carrie's husband Mike Fisher also got in on the birthday love with his own photo of present-day Jacob.

Blessing: 'Jacob, we longed for you. We prayed for you. We walked a long, hard road in order to one day hold you,' Carrie captioned the snap; pictured with her husband Mike Fisher in 2019

Blessing: 'Jacob, we longed for you. We prayed for you. We walked a long, hard road in order to one day hold you,' Carrie captioned the snap; pictured with her husband Mike Fisher in 2019

'The best thing in the world': Mike, a former professional hockey player, also shared a cute picture of Jacob trying on some black skates while wearing Batman pajamas and sunglasses

'The best thing in the world': Mike, a former professional hockey player, also shared a cute picture of Jacob trying on some black skates while wearing pajamas and sunglasses

The former professional hockey player

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