Zach Galifianakis
It doesn’t matter if you’ve seen him on Between Two Ferns or in The Hangover trilogy, Zach Galifianakis was always a big guy. But in 2014 when he decided to call it quits on drinking, he made a massive 50-pound weight cut.
Jonah Hill
We really do have to take our hats off to Jonah Hill. If you were to compare this young star now with the days of Superbad, you might have a hard time recognizing him.