Credit: Kim Zolciak on Instagram Photo: KJ Biermann Steals Kaia's Bouncy Chair

Aww… is someone a little bit jealous of all the new babies in his home? Kim Zolciak's oldest son, KJ, recently plopped himself in his baby sister's bouncy chair and it's just about the cutest thing we've ever seen.

The former Real Housewives of Atlanta star took to Instagram to share the adorable picture.

"KJ get out of Kaia's chair don't worry hunni you will always be my baby!!! #kaneischillinasalways," Kim wrote next to the photo.

Baby brother Kane looks tiny in his chair next to KJ lounging in Kaia's!

We're not surprised that little KJ is feeling a bit left out of the baby game. After all, he may have been Kroy and Kim's first kiddo together, but he only got to be the baby of the family for like two seconds, none of which he'll ever remember.

Before KJ could say "mama," his brother Kash had made his appearance, and not long after that, twinsies Kaia Rose and Kane Ren came on the scene. KJ definitely had to learn how to share way sooner than most kids his age.

That being said, it's obvious how much KJ loves being a big brother, especially to Kash. Just this past Christmas, when KJ got a sweet new ride from Santa Claus, he couldn't wait to get on board his dune buggy with his baby bro, Kash. They are so cute together!

We're sure he'll love Kane and Kaia just as much.

Are you surprised that KJ is seeking extra attention? Share your thoughts below!