Zach and Tori Roloff, stars of Little People, Big World, just announced that they are expecting their second child. They shared the big news on Instagram that included a photo with their 2-year-old son, Jackson, wearing a “Big Brother” shirt.

As fans congratulated the couple on social media, other members of the family chimed with their own messages of excitement. Zach’s father, Matt, wrote “Grandpa is hitting the lotto!”

Zach, 29, and Tori, 28, have spoken in the past about wanting a large family, and this time they’re having a little girl who is due in November. Sister-in-law Audrey was also over the moon, and posted a sweet message saying she can’t wait for their girls to play together.

The couple married in 2015 and welcomed their son two years later. Jackson, who just celebrated his birthday on Mother’s Day, is looking forward to being a big brother. If you keep up with the show, then you know that the family just moved into a new 5-bedroom home in Portland, Oregon. There’s enough space for their growing brood!

Fans are happy about the news and although this season was filmed last year, are looking forward to seeing Tori’s pregnancy next season along with updates on social media. Now you’ll have to be on the lookout for the hashtag, “#zandtpartyoffour.” Little People, Big World airs on TLC at 9 pm EST.

Are you excited for the couple? Did you already suspect that Tori was expecting?