Jonah Hill on Weight Loss: 'Unfortunately, It's Just Hard Work'

Jonah Hill has opened up about his weight loss!

Speaking to US TV show Extra, the actor who made headlines for losing 40 pounds says his svelte new look is down to hard work!

“I just started eating healthy and exercising… and that’s about it,” he said.

“I wish there was some amazing book that had all the world’s secrets, but unfortunately, it’s just hard work.”