Whose vibe is most like yours?

The megastar invents ways to keep workout boredom from setting in.

According to Aniston’s trainerMandy Ingber, Jen comes by her famously flat abs by doing core-engaging yoga moves.

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But she also has a (funny) secret.

Like Beyonce, she also picks tunes that power her workouts.

“Blue Bloods” actress Moynahan is known for her long, sexy legs.

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Bridget’s trainer, John De Young, works her butt and thighs by doing lunges and bridges.

Want a body like Bridget’s?

Press right foot into BOSU and lift torso until in line with right thigh.

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Hold for two counts, then lower back to start.

How does she shape up for her sexy show?

She pretty muchdoes every workout you’ve ever heard of.

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That means swimming, running and boxing, Bar Method, Core Fusion and Pilates classes.

Anna also works out on the elliptical and stationary bike she keeps in her garage.

“Let’s face it, gyms aren’t open at four in the morning.

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Seyfried, one of young Hollywood’s hottest stars, combines running and Pilates to battle belly bulge.

“She’sall about stretching and toning and being long and lean,” Amanda said.

Believe it or not, Underwood watches Jillian Michaels on Exercise TV - just like us!

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“I have Exercise TV on cable.

Jillian Michaels’s videos will kick your butt.

She’s my trainer, and she doesn’t even know it!”

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WatchJillian demonstrate her butt-kicking moves!

Carrie also does push-ups … to work her abs.

“Push-ups work out everything.

If you do them right, you’ll feel it in yourabs.

I do four sets of 10 to 20,” she said.