Olympic gymnast Nastia Liukin is done with people suggesting she doesn't eat. The 31-year-old former athlete, who made major October headlines for anorexia clap-back, today addressed her 1 million Instagram followers in fire mode after comments over her spandex-clad training session poured in. Nastia, who is supporting mental health awareness as she gears up for a friendly fight-off with fellow gymnast Alicia Sacramone Quinn, took to her stories – just because you see early morning coffee, doesn't mean Liukin lives off caffeine. Scroll for the storm.