Losing any amount of weight takes an incredible amount of focus and determination, and a willingness to pause your Netflix binge and get your ass on the treadmill. For these people who lost 100 or more pounds, the results are so jaw-dropping, you have to see it to believe it.
Major props to these people who completely transformed their lives through lots of sweat, and probably some tears. They may even inspire you to make some lifestyle changes... or at least trade in your bag of chips for baby carrots. Here are some of the most badass Instagrammers killing it in the weight-loss game -- and if you're looking to become one of them, this is how you get started.