Jennifer Lopezdoes not age.

So how does she do it?

How does the mom of twins maintain her amazing physique year after year?

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We dug deep to uncover eight of her biggest tricks to diet and exercise success.

I think that for some reason, when you maintain yourself, people are really surprised.

It’s inspiring for women who have kids and take care of themselves to be sexy."

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“After that, you get the face you deserve.

And I always kind of thought, well I better be nice.”

The diva alsostays far away from caffeine.

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“To be quite honest, on those days, I really take a stab at think positively.

“Feeling beautiful is an attitude,” she added when speaking withThe Mirror.

“Then I remember dropping weight and being quite thin.

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Because I earned that jiggly belly.

Then came trying to get my body back into shape and how long that took.

A whole year.”

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She admitted, “By lunchtime, I’m starving.”

“It feels like rice and beans, which I grew up with,” she told the mag.

“And I like pork and chicken, especially Puerto Rican style!”

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And when it comes to snack cravings, Lopez has a trick for beating those too!

Speaking withDaily Star,she said: “Protein is my go-to whenever I start having cravings.

It fills me up and keeps me full longer, and it’s a great muscle fuel.

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I always carry fruit and veggies with me to give me something to snack on between meals.”

When I’m in L.A., I work with Tracy Anderson.

I like the balance that they both give me.

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They have two totally different approaches.

I like switching it up with my body.”

We want to keep those famous curves."

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“We’re all human,” she declared.

Everyone wants a cookie or a piece of cake or fried chicken every once in a while.

It’s not about that.

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It’s about consistently and always trying to be better and trying to do good."

And when she does step out to catch some rays, “I wear a lot of sunscreen.”

And it clearly seems to be working for Lopez.

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I do my cardio and I do my workouts with the Tracy Anderson Method."

This is a fact Lopez knows all too well, as she has repeatedly preached the importance of sleep.

[If I don’t get it] I just don’t feel right.

I start feeling crazy, I get emotional and I feel tired all the time."

They need to know that you’re solid and strong and good.

Sleep is very important.

I get my seven to eight hours sleep no matter what."