Photo: Kim Zolciak-Biermann/Instagram

Ariana Biermanncelebrated turning the legal drinking age with an unconventional cake.
The second eldest daughter ofReal Housewives of AtlantastarKim Zolciak-Biermanncommemorated her 21st birthday on Oct. 17 with a cake decorated with her mugshot. The photo was taken after Ariana was arrested in August on suspicion of driving under the influence of alcohol.
Ariana and her on-and-off boyfriend, Hudson McLeroy, celebrated their back-to-back birthdays (McLeroy was born on Oct. 18) together on Monday night. McLeroy, who wasarrested alongside his girlfriend in August, had a matching mugshot cake.
“Well, we’re finally 21. Happy birthday, you guys,“Brielle Biermann, the eldest Biermann daughter, said in an Instagram Story of the couple holding up their mugshot confections,perPage Six.
The week before Ariana’s birthday, Brielle, who Ariana calls her “built in best friend,” shared her excitement for her younger sister’s birthday on Instagram.
Zolciak-Biermann, who is also mom to Kroy Jagger, 11, Kash Kade, 10, and 8-year-old twins Kaia Rose and Kane Ren, showed Arianasome birthday love on Instagram, along with some more throwback pics.
“Happy 21st Birthday to my sweet @arianabiermann,” she wrote. “Your generous heart, giving nature, commitment to your family & friends, the love you spread daily and the passion you have for life (and pastels) never goes unnoticed! Thank you for being YOU!!!! You are such a bright light in this world!”
Ariana Biermann prom https://www.instagram.com/p/BvXkKJLjtrU/ Credit: Ariana Biermann/Instagram.Ariana Biermann/Instagram

She was charged with three misdemeanors: driving under the influence of alcohol, improper/erratic lane change and underage possession/purchase of alcohol. McLeroy was arrested for allegedly driving under the influence, as well as allegedly furnishing alcohol to a minor and violating the conditions of his limited driving permit.
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source: people.com