Jill (Duggar) Dillard Pregnant With Baby No. 2

We bet the Duggar family is over the moon.

The Duggar family is expanding!

Jill Dillard announced on Tuesday that she's pregnant with her second child with husband Derick Dillard. The 25-year-old Counting On star shared the big news with fans on their blog.

"We were really excited when we found out we were expecting," Jill says in a TLC video while holding hands with her hubby. "I had been through, like, tons of pregnancy tests ... so when we got a positive pregnancy test, I took like, three, and I was, like, '[gasp] Really?!' I was so excited."

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The couple is already parents to their 1-year-old son, Israel.

"Israel is gonna be a great big brother," Jill shares. "He already loves, like, other little babies, and the only thing I think he's gonna have to work on is learning that babies that are smaller than you, you have to be more gentle with."

"We just look forward to growing as a family, " Derick adds.

In August, Jill's younger sister Jessa also announced she was expecting her second child with husband Ben Seewald. Jessa, 24, welcomed her son, Spurgeon, last November.

"We are overjoyed to announce that Spurgeon has a new title in life as 'big brother'!" the couple said in a statement to ET. "We are so thankful that God is adding to our family. 2017 is shaping up to be a wonderful year already and we know Spurgeon will do a great job in his new role. Having Spurgeon has been such a wonderful blessing and we cannot wait to see the face of this sweet new baby (or babies!)."

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2016 has been pretty eventful for the Duggar family. Last month, 22-year-old Jinger Duggar married soccer pro Jeremy Vuolo in an Arkansas ceremony surrounded by close friends and family. Jeremy and Jinger got engaged in July, after a one-month courtship.

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