There's a new addition in Leah Messer's family!

The Teen Mom 2 star shared on Instagram that her sister, Victoria, welcomed a baby girl named Cami on Wednesday.

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https://www.instagram.com/p/BM6d33VhiHy/

Leah revealed back in August that Victoria had gone into premature labor at 27 weeks and asked fans to pray for the mother-daughter duo.

We bet Ali, Aleeah and Adalynn are so excited to have a new cousin.

See how much the Teen Moms have changed over the years in the gallery!