“And then there were 5.. The Gaines crew is now 1 stronger! 10 beautiful toes and 10 beautiful fingers all accounted for, and big momma is doing great! #blessedBeyondBelief,” Chip tweeted.

The new addition joins siblingsEmmie Kay, 8,Duke, 9,Ella, 11, andDrake, 13.

RELATED GALLERY:All of Chip and Joanna Gaines’ Most Romantic (and Hilarious) Throwback Pics

The home-renovation prosannounced in January thatthey would be adding to their Waco, Texas-based brood once more.

Chip joked the following day about how their fifth child came about ina hilarious tweet, writing, “You might recall a few months back.. the ever amazing, ever romantic@JOHNNYSWIMwas in Waco. And they put on a littletoo romantic of a concert.. anyways, one thing led to another, & we are officially pregnant. And I could not be more EXCITED! #5 #7ThePerfectNumber.”

The proud dad went on to reveal that he and his wifewere expecting a boy,asking a child named Gage to help him “think of a D-name” — presumably to match his older sons’ first initial.

Chip and Joanna recently opened up in aPEOPLE cover storyabout their expanding household, including howthey split parenting duties.

Of diapering, she added, “We need to figure that one out again. I don’t even remember, but I do remember the blowouts and I’m like, ‘Oh my gosh!’ I’ve gotta get my stuff together. It’s coming!”

And they may not be done having kids just yet. “I joke with my friends that I’m going to be that 45-year-old who’s pregnant,” Joanna revealed. “Chip is such a kid at heart and weboth love a big family. I’m open to whatever. I’m just having fun with it.”

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RELATED VIDEO: It’ll Be a Boy for Chip andJoanna Gaines

For Joanna, this pregnancy felt different than her previous ones. “I had four kids aged 4 and under. There were so many diapers, and it was chaos,” she recalled to PEOPLE. “Those years just flew because there was so much happening in the moment. I feel like I can really take this one inand relish these moments.”

source: people.com