It's Joe Manganiello (Alcide Herveaux) of True Blood fame! Are your jaws off the floor yet? The super buff actor is nearly unrecognizable from his teenage days — and he's sharing how he made the transformation.
In his newly released fitness book, Evolution: The Cutting Edge Guide to Breaking Down Mental Walls and Building the Body You've Always Wanted, Joe talks about his 11 years of sobriety, gives fitness and workout tips, and encourages people to take away excuses.
"#EVOLUTION Me then…" Joe wrote along with the throwback photo.
Did you guess right? Sound off in the comments!