Kim Zolciak-Biermann is channeling her teenage self?at least her teenage jean size. Always proud of her hourglass physique, the 38-year-old mom of six took to Instagram to offer fans a look inside her diet regimen and it's results. According to the former Dancing With the Stars competitor, she has been enlisting the help of nutrition shakes for breakfast for the last two years. From the sound of her social media commentary, Kim is more than pleased with the results.