Kim Zolciak's 19-year-old daughter, Ariana Biermann, is setting the record straight about her weight loss.After receiving social media comments speculating she that she has an eating disorder, Ariana took to her Instagram Story to hit back at the speculation. Ariana said she achieved her weight loss by working out and eating healthy, and blasted the «ridiculous and awful» comments that she may have an eating disorder.«I'm so over everyone acting like I lost 50 pounds overnight,» she wrote.