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Jill Duggar, Instagram

Instagram

Olive Garden: Home of unlimited soup, all-you-can-eat breadsticks, never ending pasta bowls and...a 19 Kids and Counting baby shower?

That was the case Sunday, when Jill Duggar and Derick Dillard's "church family" threw the expectant couple a baby shower at the at one of the Italian-American eatery's Arkansas locations. The Mom-to-be Instagrammed a picture from the fête, which showed her hubby standing up as he addressed a table of smiling people.

"Thank you @OliveGarden and Derick's church family for the baby shower today!" Jill wrote. "We were so blessed! #babydilly #OliveGarden #babyshower."

Jill Duggar, Instagram

Instagram

She also shared a picture of Derick holding a how-to onesie (with arrows pointing to where the head, arms and legs should go) as well as a comical baby owner's manual. "We love these baby gifts @derickdillard got for his birthday!" Jill wrote. "So fun! #babydilly."

Wait—was this a birthday party or a baby shower? It was actually a little bit of both! Derick turns 26 on Monday, so his church fam celebrated his B-Day and baby-to-be at the same time.

Of course, it won't be long before Derick and Jill, who turns 24 in May, will welcome their firstborn son. "Baby Dilly," as they've lovingly nicknamed him, is due this month—almost exactly nine months after the couple said "I do."

Jill Duggar

Instagram

Not to worry, though, abstinence advocates: The timing all checks out. Back in September, Jill raised some eyebrows when she revealed she was 13 weeks and 1 day pregnant (93 days) just 90 days after her wedding. At first glance, these numbers seemed to imply that the conservative Christian newlyweds had engaged in premarital sex, but calculating conception dates is more complicated than that!

As JustMommies.com explained, "The counting begins with the first day of your last normal menstrual period before you got pregnant. In other words, the counting begins about two weeks before you have even conceived."

"Why does the counting begin that early? It starts at that point primarily it is because it is difficult to pinpoint the exact date a woman conceived, and the first date of her last menstrual period is a much easier marker to identify," the site revealed. "Once you have that date down, you can establish your estimated due date by adding 40 weeks, or 280 days."

No scandal here.