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8 Celebs With The Most Extreme Workout Routines

Isn't six hours in the gym about five too many?

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Kate Hudson Food Diary
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These celebrities are some of the hardest workers in Hollywood — in the gym, that is.

1

Kate Hudson

Kate Hudson
Gregg DeGuire//Getty Images

You've got to hand it to Hudson for practicing what she preaches: The actress has a fitness line, and it's not just something she's fake passionate about. After having her second baby in 2011, Hudson spent six hours a day at the gym doing cardio and yoga. She's not as strict anymore, but common workouts include a three hour dance class or super long stretches of cardio, butt, core, and arm exercises.

2

Jennifer Lopez

White, Abdomen, Shoulder, Waist, Navel, Stomach, Trunk, Joint, Eyewear, Selfie,
Instagram / @jlo

"Jennifer has crazy discipline during her workouts, which many people miss during at-home or in-the-gym exercise classes," Lopez's trainer has said. She's constantly trying new workouts — dance cardio, weight training — but her favorite is anything that targets the full body, like the ones she's flaunted on Instagram.

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3

Lady Gaga

Lady Gaga Super Bowl
Jeff Kravitz

To get in Super Bowl shape, Gaga went cardio crazy. She'd hit the Versaclimber (a Stair Stepper that works your upper and lower body) while singing her entire halftime set. Another go-to was strength training, specifically TRX, which uses your body weight instead of free weights or machine weights.

4

Khloe Kardashian

Khloe Kardashian
Getty Images

To get her "revenge body" Khloe hit the gym twice a day. She wanted to shock and challenge her body in order to see major changes. When she can, she does an hour of intense cardio first thing in the morning then focuses on muscle-building exercises, like ab rolls and weightlifting, during her early evening sweat sesh.

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5

Alison Brie

delish-alison-brie
David Crotty

Alison Brie plays the role of a female wrestler in insane shape on Glow. Before and during filming, her trainer double the number of hours she spent breaking a sweat. She focused on hours of cardio and strength training. Eventually, she was able to deadlift a whopping 165 pounds and pull 220 pounds on a sled.

6

Zac Efron

Zac Efron Shirtless
Getty Images

That Baywatch bod didn't come without hard work. When his trainer talks about how they prepped, he hits every exercise buzzword: stabilization training, balance training, muscle gaining, high endurance training. Efron did a lot of two-a-days, which amounted to about three hours of working out every day, including weight training and road biking.

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7

Julianne Hough

Julianne Hough
Marcus Ingram

As a professional dancer and actress, exercise is part of Hough's job, but one role led to some extreme workouts. Before her Footloose debut, Hough worked out eight hours a day, five days a week. (Seriously!) She's slowed it down, but Hough still dedicates plenty of time to activities like boxing and strength training.

8

Chris Pratt

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Rune Hellestad - Corbis

Chris Pratt dropped 60 pounds in six months for his part in Guardians of the Galaxy. Since then, he's become a workout fiend, training seven days a week. To shred fat, he does strength conditioning, yoga, and cardio. Oh — he's also training for a triathlon, nbd.

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