10. Mark Wahlberg
Mark Wahlberg is no stranger to physical transformation, but his recent body overhaul for film roles wowed fans. He’s bulked up, slimmed down, and done it all with precision. His 4 a.m. workouts and regimented eating habits are infamous. Wahlberg treats his body like a project, and the results speak for themselves. He remains one of the most consistent shape-shifters in Hollywood.