It's a boy!

Little People, Big World stars Zach Roloff and Tori Roloff are expecting their first child — and the parents-to-be just revealed to fans that they're having a baby boy.

"Tori and me are having a baby boy," Zach wrote on Instagram. "Super stoked for him to come! Thanks to everyone that came to our gender reveal party! #zandtpartyofthree."

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The little one is due in May and the pair have been eagerly sharing updates with fans ever since they announced the pregnancy in November.

"Zach and I are SO excited to FINALLY tell you guys the news! Thank you so much already for the love and support we have received! This is going to be one fun adventure! #ZandTpartyofthree," Tori wrote with their first reveal.

Congratulations to the couple!

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