Kendall Jenner and Gigi Hadid happen to be two of the most prolific and promising young models in the game right now. As such, it's no wonder that the two stay on their gym game with such gusto. But the level of model perfection they bring to their daily workouts? Well, frankly, it's a bit intimidating for us mere mortals. Herewith, 15 times these two brought so much fire to their fitness fashion, we decided it would be better just to do some leg lifts at home and call it a day.