After Christopher Schwarzenegger—the youngest son of Arnold Schwarzenegger and Maria Shriver—detailed his weight loss journey ...

Years before their breakout leading roles in the Guardians of the Galaxy trilogy and the criminally underrated Netflix show ...

The actor says gaining weight "became a challenge" and resulted in being "the funniest I think I've ever been" ...

Pratt later underwent a highly publicized physical transformation when he took on the leading role of Peter Quill, aka ...