Matt Damon just spilled his weight-loss secret and it’s surprisingly simple: he went totally gluten-free for his new movie role and dropped down to his high school weight! Damon says ditching gluten (even beer!) made a huge difference, and he’s not the only celeb swearing by it. Could going gluten-free be the real Hollywood hack? Would you try it if it meant feeling this good? #Fitness #MattDamon #WeightLoss