How celebrity trainer Gunnar Peterson is getting Khloe Kardashian super-fit

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How Celebrity Trainer Gunnar Peterson Is Getting Khloe Kardashian Super-Fit

Personal trainer to the stars Gunnar Peterson -- who's credited with helping to shape the enviable bodies of Jennifer Lopez, Sofia Vergara, and the Kardashians -- is showing ET what it takes to get the amazing results we all see on the red carpet.

Most recently, Peterson is being credited with Khloe Kardashian's stunning turnaround, which the 30-year-old reality star hasn't been shy about showing off on social media.

"Khloe's the animal -- full on animal in the gym," he reveals to ET's Brooke Anderson. "No complaining, no bitching, no kvetching. Just gets after it."

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How celebrity trainer Gunnar Peterson is getting Khloe Kardashian super-fit
Khloe Kardashian of the U.S., arrives for the MTV Australia Awards in Sydney Saturday, April 26, 2008. (AP Photo/Rick Rycroft)
Khloe Kardashian seen promoting Kardashian Beauty at ULTA on Thursday, April 2, 2015, in Los Angeles. (Photo by Rich Fury/Invision/AP)
LOS ANGELES, CA - NOVEMBER 23: Khloe Kardashian attends the 2014 American Music Awards at Nokia Theatre L.A. Live on November 23, 2014 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
LAS VEGAS, NV - JULY 04: Television personality Khloe Kardashian arrives at the Tao Nightclub at The Venetian Las Vegas to celebrate her birthday on July 4, 2014 in Las Vegas, Nevada. Kardashian turned 30 on June 27. (Photo by Ethan Miller/Getty Images)
LOS ANGELES - OCTOBER 9: Khloe Kardashian arrives at the Premiere of the new reality show 'Keeping up with the Kardashians' held at the Pacific Design Center on Octorber 9,2007 in Los Angeles, California. (Photo by Alberto E. Rodriguez/ Getty Images)
BEVERLY HILLS, CA - APRIL 10: Khloe Kardashian poses at the Jonathan Cheban launch of Kritik Clothing held at the Lisa Kline store on April 10, 2008 in Beverly Hills California. (Photo by Mark Davis/Getty Images)
LOS ANGELES, CA - JUNE 14: Actress Khloe Kardashian attends designer Kira Plastinina's United States Launch Party on June 14, 2008 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)
LOS ANGELES, CA - MARCH 02: TV personality Khloe Kardashian attends the 22nd Annual Elton John AIDS Foundation's Oscar Viewing Party on March 2, 2014 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images)
Khloe Kardashian arrives at the The Hollywood Reporter's Women In Entertainment Breakfast on Wednesday, Dec. 10, 2014, in Los Angeles. (Photo by Richard Shotwell/Invision/AP)
Khloe Kardashian, left, and Maria Menounos attend a celebration of The Hollywood Reporter's Power 100 Women in Entertainment breakfast at Milk Studios on Wednesday, Dec. 10, 2014, in Los Angeles. (Photo by Todd Williamson/Invision for The Hollywood Reporter/AP Images)
Khloe Kardashian arrives at the The Hollywood Reporter's Women In Entertainment Breakfast on Wednesday, Dec. 10, 2014, in Los Angeles. (Photo by Richard Shotwell/Invision/AP)
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"This is Khloe's moment," he stresses. "You can see it. The changes she's made are incredible. She's done it the right way. Nothing fast -- hard work. It's steady, hard work and it's very relatable and her body is banging right now."

Another client Peterson is fond of is Vergara -- even though the sexy 42-year-old Modern Family star has made no secret about not loving exercise.

"Her favorite thing to do in the gym is leave," Peterson jokes. "I think it's a sort of necessary evil. I don't think it's her favorite thing and I know that because of the swear words that she uses bilingually."

"Yeah, I've heard it," he laughs. "Just shy of throwing a coffee cup at ya."

As for tips on getting your own celeb-style results, Peterson has a few easy guidelines.

1. Pair strength training with cardio.

"Even if you're doing what you consider to be straight cardio, if you're on a bike for 25 or running for 25 minutes, drop down every five minutes and do ten squats, ten pushups and ten crunches," he advises. "Mix that into that same thing you're doing and watch the results."

2. "You cannot train a bad diet."

Sticking to a healthy diet, of course, is key.

"They're making good choices outside of here [the gym]," he says about his famous clients. "24 hours in a day, right? There's one in here, the other 23 you can't screw it up, and you cannot train a bad diet. So they're eating properly, they're eating at the right time, they're eating the right amounts and they're getting their rest."

"The closer you are to your goal, the more important that is," he adds about making smart nutrition choices. "If you wanna zero in, you have the diet on point. Don't look at it like a diet, look at it like a way of eating."

3. You get "cheat meals," not cheat days.

"You'll get a cheat meal, no question. It's not a cheat day," he explains. "Every day I indulge with something because if I feel restricted, I'm gonna lash out."

4. Stay hydrated, and don't go to the gym hungry.

"Hydration is everything," he stresses. "Think of this, your muscles are 70-plus percent water -- how are you not drinking water during a workout? I get the whole, 'Let's challenge ourselves, let's do that prison, tough guy thing,' but at the end of the day, you're under performing."

5. Don't fast!

"You just have to start the next day," he says about recovering from a binge. "That's the only way to do it. You can't, you can't remedy that and you shouldn't fast, you shouldn't go nuts -- you should just get back on your horse."

Watch the video below to see one of Peterson's most famous clients, Khloe, show off her hard-earned abs.

Khloe Kardashian Shares Super Skinny Selfie: 'People Love to Call Me the Fat One'

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