Jessie James Decker welcomes her fourth baby, a boy, with husband Eric Decker

“Our beautiful boy is here,” Jessie wrote on Instagram on Sunday while sharing photos of the couple’s newest child, who arrived on February 9.

Jessie James Decker is a mom again!

The country singer, 35, welcomed her fourth baby with husband Eric Decker on February 9.

She announced the happy news on Instagram on Sunday, saying, “Our beautiful boy is here ,” before sharing the newborn’s name and birth stats: “Denver Calloway Decker 8.7 2/9/24 .”

Jessie’s post featured a photo of her in her hospital bed, with Denver cuddled against her chest as Eric, 36, looked at his youngest child. A second photo showed the baby dozing on a blanket while wearing a zip-up romper decorated with a car and plane print.

Related: Pregnant Jessie James Decker Shares a Glimpse Inside Her Colorado-Themed Nursery — Check Out the Photos! (Exclusive)

Jessie and Eric are already the parents of their sons Forrest and Eric, as well as their daughter Vivianne.

Chatting with PEOPLE about her nursery in January, the musician shared that her three children were excited to help prepare the space.

“They’ve been a huge help,” Jessie said. “What I love about it is that they’re really aware of what’s going on. Before, when Forrest was born, they were babies so they knew what was going on, but not to this level.”

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“I mean, Vivi will be 10 when this baby comes and if we all remember being 10, you know what’s going on. And she’s fully conscious and so excited, and they’ve all been helping me finalize things at nursery.”

The proud mom said last month that her youngest son, Forrest, has been writing love letters to the baby as he prepares to take on his new role as big brother. Meanwhile, her eldest son Eric has become his “protector.”

“He’ll try to hold my hand when we go up and down the stairs, or he’ll put his hand on my back and worry, or he won’t let me carry anything heavy because he’s paranoid,” Jessie recalls. “He’ll tell me, ‘I’ve got it, Mom. I’ll carry it.’”

Appearing on Today In November, the country-pop singer confirmed that baby No. 4 was a boy when host Jenna Bush Hager asked her about a recent Instagram post that many fans thought was a clue.

“Does this mean you’re having a boy?” asked Bush Hager, 41.

“I’m having a boy. Yeah, we’re having another boy,” the mom-to-be shared.

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