Cuteness overload!

Audrey RoloffJeremy Roloff's wife and winner of the best hair on Instagram, according to us — posted a photo with her new nephew, Jackson.

The Little People, Big World star said, "Loving this little nephew so much. I can't believe it's already been a month since we got to meet him for the first time. You are a precious child of God baby Jackson and we cannot wait for you to meet your cousin in just a couple months!"

MORE: Zach Roloff Weighs in on Parenting Days Ahead of Jackson’s 1 Month Birthday!

Adorable!

Jeremy's brother, Zach and his wife Tori gave birth to son Jackson on May 12 — just two days before Mother's Day.

"My heart is so unbearably full. I’ve only spent four days with this little guy and I have fallen in love completely with him This is what I was meant to do. Mommy loves you, Jackson!” Tori said at the time.

MORE: Did Tori Roloff Have a C-Section? Find Out!

Meanwhile, Audrey is expecting her own bundle of joy in early September, though she'll be having a girl.

"This makes it so much more real…oh my goodness we are going to have a daughter?" Audrey wrote in a caption on Instagram in April."This whole pregnancy we thought it was a boy up until the last 3 weeks all signs pointed towards girl… so we both wore pink today, and we were right! Baby girl I hope and pray you have a head of curls and a heart of gold."

Audrey and Jeremy Roloff tied the knot in 2014 after about five years of dating and announced they were expecting baby No. 1 back in February.

Congrats to the growing families! We can't wait to see photos of Audrey with her own baby soon.

For more sweet photos of baby Jackson, scroll through the gallery below!