Ariana Biermann has big career plans in the pipeline. The Don’t Be Tardy star, 18 — who already runs a successful cosmetics company, KAB, with her mother Kim Zolciak-Biermann and sister Brielle Biermann — is gearing up for a career in acting and fashion. But, if she wants to make it big in the entertainment industry, Ariana knows that The City of Angels is the destination for her.