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Gerard Butler

Jason Merritt/Getty Images

While it's not a transformation like Jersey Shore's JWoww, I have to admit I was one of the many people who didn't immediately recognize Gerard Butler when he hit the red carpet at yesterday's Hollywood Foreign Press Association luncheon.

The Scottish hunkster is noticeably thinner. His hair is shaggy and many shades of blond.

What gives?

It's all work. His rep assures me that the 300 star has slimmed down and scruffed up for his role in Mavericks, a film about the life and death of big wave surfer Jay Moriarity.

Butler plays Moriarity's mentor, Ricky "Frosty" Hesson. The drama is expected to start shooting in October.

What do you think of Mr. Butler's hang ten transformation? Like, are you totally stoked or seriously bummed out? Sound off by surfing down to the comments section below.

WATCH: Check out Gerard Butler on the red carpet in Marc's daily video blog