Kelly Brook is a girl after our own heart.

Not only does she admit proudly to scoffing a Big Mac if she's working late, but nether does she hold with zany celebrity diets and grueling exercise regimes.

And what does the curvaceous lovely do to keep her body trim? Have tons and tons of sex!

"Sex keeps me fit and healthy. What can be better than that?" she told Closer magazine.

"I don't diet and I don't feel under pressure to be a certain shape or size. I am what I am. I keep my figure by eating what I want, but not in bulk.

"I always have three meals a day, but if I'm working late, I'll stop off at McDonald's for a Big Mac and chips.

"It's not about crazy diets or gym workouts. At the end of the day, I'm a normal girl and I'm not going to deny myself desserts."

Especially if you can eat them off Billy Zane…?

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