Kim, 39, first shared a photo of 16-yr-old Ariana coming down their home’s staircase in a flower-patterned prom dress by Sheri Hill.
“Where does the time go? My sweet @arianabiermann heading to her boyfriend’s prom! Of course I cried. I’m so proud of you @arianabiermann,” the mother of six wrote on Instagram. “There are no words to describe how proud of you we truly are! You are balanced, kind, sweet, giving and patient! Please slow down. Stay with me forever! We adore you so.”
Based on Ariana’s social media, it appears she and Collin have been dating for five months now.
In the preview clip below, Marc surprises Kenya by showing up to the event she hosted for her domestic violence PSA, much to the shock of Kenya and her costars.
The new episode of RHOA airs tonight on Bravo at 8/7c.
Photos Credit: Instagram