ZACH GALIFIANAKIS – 55 POUNDS
After become famous for his comedic role in The Hangover, Galifianakis continued to neglect his weight and admitted to eating unhealthy foods. Nowadays, most people barely recognize him though. His transformation was the result of several weigh-loss measures. Galifianakis stopped drinking alcohol and smoking and began a strict training program. He didn’t need gastric sleeve surgery or diet pills, although he admitted that he thought about the idea for a while.