Model Izabel Goulart, 30, has a body so sick that at first glance she appears possibly not to be human—maybe she's from Mars? But scroll through her Instagram and you'll very quickly see that the 5-foot-10 Brazilian stunner clocks in a lot of time at the gym to sculpt those 12-pack abs. Here's an overview of the different workouts Iza has in her repertoire (she even has a hashtag for her own fitness routine: #BodyByIza). Watch her mesmerizing videos to get inspired, to make your jaw drop, or at least to feel a kind of desperate envy that will never be resolved:
