Jessica Biel’s Ass-assinator

Jessica flaunts an out-of-this-world rear in the new sci-fi remakeTotal Recall.

Return to start for 1 rep.

Perform 15 reps quickly, then repeat on opposite side, for 1 set.

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2014 Getty Images

Madonna’s Secret Abs Move

Madonna’s core is tighter than a teen’s.

Her secret weapon: a towel.

She and trainer Nicole Winhoffer use one for high-intensity workouts to make muscles work harder and nix floor-work friction.

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Try this move to reach those hard-to-target obliques.

As the superstar sings, Gimme all your love … handles.

Do 15 reps, then switch sides.

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Do 20 reps, then repeat on opposite side.

Get two more of Fergie’s flat-abs moves!

A fave sculptor: the Traveling Roman Rotator.

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Do it three times a week and, Naval Academy, here you come!

Repeat continuously for 1 minute.

Her warm-up: carioca, a dynamic stretch that preps you to kick ass without falling on yours.

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Step right foot right, so feet are hip-width apart.

Step left foot right, diagonally behind right leg.

Step to right again with right foot.

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Step left foot right, diagonally in front of right, to return to start.

Quickly take 10 of these steps; reverse.

Repeat for a minute, finding a rhythm.

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For traffic-stopping legs of your own, try this move from her trainer, Teddy Bass.

Stand with feet hip-width apart, a dumbbell in each hand at chest.

Step left into a side lunge, left leg bent at the knee, right leg straight.

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Shift weight to right foot; step left leg behind right in a curtsy (as shown).

That’s one rep.

Aim for two sets of 15 with each leg.

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I was bony up top and kind of dumpy on the bottom.

But my trainer,Tracy Anderson, completely changed my legs, butt, arms and stomach.

I feel better than ever, too."

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Try her workout move:

Step 1Lie faceup with legs extended.

Lift left (bottom) leg and cross left leg over right.

Keep right foot pointed and heel on floor the entire time.

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Step 3Straighten left leg back to start, crossed over extended right leg.

She works out with trainer Gunnar Peterson three mornings a week.

Keepingabsengaged to stay steady, squat (as shown).

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Ninja-kick your toning agenda with one hits-most-places move from Q’s stunt coordinator, Jonathan Eusebio.

Step 1Crouch at foot of wall, butt in air, a la Downward Dog.

Keep palms planted as you place one foot on wall, then the other.

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Step 2Keep abs engaged as you walk feet as high as you’ve got the option to.

Hold for a sec and walk down slowly.

And I’m giving myself that time!"

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Running is her fat-burning activity of choice.

So she hits the treadmill on her own.

Here’s her personal sweat-inducing, heart-pumping interval mix.

Minka Kelly’s Diet and Workout Tips