Kim Zolciak-Biermann went on Instagram and uploaded a set of pictures.

She added photos of her twins Kaia and Kane from when they were newborns up until recent.

The siblings turn 8 today, and Kim shared their birth story with her fans.

In the caption, she wrote, “Today 8 years ago at this time I was scared to death!! 2 babies in my belly and we were about to get this show started! Literally and figuratively.”

She revealed that she gave birth to Kaia first, followed by Kane, who was breech at the time.

She noted that Kaia and Kane “look like a mini Kim n Kroy literally.”

She told her children, “Happy Birthday K & K,” adding “We love you guys so much ..far beyond what words could ever describe!!”

Kim’s daughter, Ariana, reacted and wrote, “i can’t believe they’re already 8.”

Another follower commented, “Happy Birthday, Kane and Kaia!! I can't believe that it's been 8 years already.”