The 19 Kids and Counting star has been using Instagram to keep us updated on her baby's growth. And now, she's using the photo sharing site to show us just how big her baby belly has gotten!
The 22-year-old captioned the pregnancy pic (above):
But that's not all she decided to share with her online followers! The momma-to-be also posted a video of her most recent ultrasound, where you can see the little one punching, kicking, and even sucking a thumb! Ch-ch-check it out (below)!