Brielle Biermann didn't choose the influencer life, but she's running with it… even though the bad often outweighs the good.«If it wasn't really a big part of my career, I don't think I would be on social media,» the 24-year-old confesses to ET over video chat. The Don't Be Tardy star rakes in a six-figure income on social media posts alone, making it nearly impossible to walk away from Instagram.