Chip Gaines reveals the romantic date night with Joanna that led to baby number 5

In this March 29, 2016 photo, Joanna Gaines, left, and Chip Gaines pose for a portrait in New York to promote their home improvement show, "Fixer Upper," on HGTV. (Photo by Brian Ach/Invision/AP)

Chip and Joanna Gaines are expecting their fifth child together, and since the big news, the proud father gave fans a hint about when the magic actually happened.

On Jan. 2, the “Fixer Upper” star took to Twitter and revealed that the news is largely due to a romantic date night at a concert in Waco, Texas.

“Hint #3 You might recall a few months back.. the ever amazing, ever romantic was in Waco. And they put on a little too romantic of a concert.. anyways, one thing led to another, & we are officially pregnant. And I could not be more EXCITED! #5 ,” he wrote.

The singing duo retweeted the reality star’s confession and added, “We do what we can!”

The couple revealed the big baby news with a post on Instagram after dropping clues to fans on social media.

Gaines party of 7.. (If you’re still confused.. WE ARE PREGNANT) @joannagaines,” he wrote alongside the sweet photo of the couple in coordinating grey sweatshirts and matching bumps.

RELATED: “Fixer Upper” stars Chip and Joanna Gaines treated their employees to a Christmas paintball shindig

Congratulations to the growing family!

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