Rosie O’Donnell – 175 Pounds – Gastric Sleeve Surgery

Rosie O’Donnell never actually was a fan of dieting. Ever since the time she worked on The View and other famous TV shows, O’Donnell struggled to keep from tipping the scales. However, a heart attack she suffered in 2012 was the best wake-up call she could have ever received. She underwent surgery to help with the process and lost 175 pounds! That’s like dropping an average adult! O’Donnell has managed to maintain her new weight and she’s said taking her health seriously is among the best decisions she has ever made.

Zach Galifiankis – 50 Pounds – Got Rid Of Unhealthy Eating Habits

Here’s another funny guy who managed to lose a lot of his weight by changing habits and training regularly. Zach Galifianakis’ chubby looks have always been part of his trademark, just like his crazy ways and weird lines. Yet, as much as he loved being a funnyman, he knew that staying overweight wasn’t going to lead to a happy ending. Unlike other stars, he didn’t go under the knife to shed his extra pounds; he just left some unhealthy habits behind! Galifianakis credits cutting back on drinking sugary drinks as one of the factors that helped him lose weight.

Amy Schumer – 10 Pounds – Diet & Workout

Amy Schumer is not only one of the funniest comedians active today. She is also a role model for people who desire to lose weight – but to do it the right way. Although this comedy queen seems to have it all, Amy has been struggling with her weight for years and at some point in her life even weighed around 160 pounds. In order to achieve the amazing figure she now has after her pregnancy, Amy went on a diet and her plan consisted of eating healthier foods and tweaking her breakfast routine. She even started working out with a personal trainer, including a whole lot of jogging. She posted her thoughts about losing weight on her Instagram with a hashtag #NoRush, to spread positive body image and encourage fans to take time on losing weight.