This unbelievable weight-loss transformation recieved over 3 million views after being posted on Reddit
Amanda, 26, showed off her 40kg transformation using the images she took over 12 months to keep herself motivated. She told US ABC News she started at 100kg and changed her diet to high-protein.
"Instead of dwelling on how difficult your entire journey is going to be, focus on making it through today," she said.
Click though for more of YouTube's most watched weight loss transformations
including a man who went from morbidly obese to marathon runner.