Brielle Biermann and her her mom Kim Zolciak-Biermann have an unshakable bond, which just might be why Kim is having such a hard time seeing her daughter grow up right before her eyes. The Don't Be Tardy daughter turns 19 on Thursday (February 25), which has Kim feeling nostalgic. "My best friend, my motivation, my strength, HAPPY 19th Birthday @briellebiermann A part of me wants to cry my eyes out and the other part of me can't stop smiling, I'm so proud of you, your heart, you you you! You amaze me!" she shared on Instagram. "I love you from here to the moon and back a zillion times... You have made my job as your mom so easy."
And while Brielle is definitely making major strides towards adulthood, Kim isn't quite ready to say she's all grown-up just yet. "P.S. You will always be my baby. #ReachForTheStars #HappyBirthdayBrielle," she added in the post. And why use one social media platform to wish Brielle a happy birthday when you can do it on two? Kim also shared an emoji-filled tweet on her daughter's birthday.
To celebrate Brielle's birthday, check out some throwback pics of the Biermann siblings, below.
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