"Cuss, cuss — I just want to cuss!" Kim Zolciak-Biermann's son sings in one Instagram video

By Aurelie Corinthios
June 01, 2017 11:44 AM

Kroy Jagger Biermann is growing up.

Kim Zolciak-Biermann took to Instagram on Wednesday to celebrate her eldest son’s 6th birthday, sharing an adorable 10-photo slideshow of him over the years.

“Happy Birthday to my incredible son @kroyjaggerbiermann I just can’t believe you are 6 today!!” she gushed. “I love you to the moon and back a bazillion times. You taught me the love between a mother and a son is indescribable. You amaze me daily! You are the most incredible 6 year old I have ever met!! We are about to have the best day EVER!!! Now let’s do this. SWIPE TO SEE ALL THE PHOTOS.”

Zolciak-Biermann, 39, also shared a video of her son doing his best attempt at getting mouthy.

“What do you want to say, KJ?” she prompts him in the video.

“Cuss, cuss — I just want to cuss!” he sings.

“2 years ago!! Where does the time go?!” Zolciak-Biermann captioned the post. “@kroyjaggerbiermann I’m obsessed with you!”

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Zolciak-Biermann also documented the birthday festivities on Snapchat, sharing photos and videos of KJ enjoying his emoji-themed birthday cake and not one but two piñatas.

Happy birthday, KJ!