Tracy Anderson Just Posted An Insane Before-And-After Of Her Own Fitness Transformation

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If you’re wondering how to look younger and fitter in your 40s than your 20s, J.Lo and Gwyneth Paltrow’s trainer has some pretty solid inspo for you. Tracy Anderson, founder of the Tracy Anderson Method, just posted an incredible before-and-after photo.

It's only day 1 of #tamilyfriend and I already feel so much love being spread! The workout trackers you have received in your inboxes will help keep you on track this month, and throughout the fun journey ahead. Results and healthy transformations of the body and mind are what my @tracyandersononlinestudio delivers. Everyone's before and after is unique and I believe the most empowering gifts can't even be seen by the naked eye. So #tamily let's proudly share some of our before and afters (I'll start!). One of the reasons I have focused so deeply on the strategy of my method is because of the way that hard work has paid off for me personally. I am overjoyed by how brave and open you #tamily leaders are. Sharing your personal journeys helps people every day. As we jump start this month please post what your before and after means to you. And hashtag #tamilyfriend so I can look through all of these and share some of your messages, and for your #tamnewbie to see! I know they'll be just as inspired by you all as I am every week 💓

The snapshot shows the celeb trainer at age 20, and now, at age 43, looking super svelte. (While somehow also not looking a day older!)

Tracy credits her approach to fitness for how good she looks and feels, writing, “One of the reasons I have focused so deeply on the strategy of my method is because of the way that hard work has paid off for me personally.”

She goes on to say, “Everyone's before and after is unique and I believe the most empowering gifts can't even be seen by the naked eye.”

What is her method exactly? She's referring to her fitness program, The Tracy Anderson Method. Tracy created it about two decades ago, when she felt something was missing in fitness, she tells WomensHealthMag.com.

“I did the work and the research and stayed 100 percent focused to what I was finding to be true,” she says. “My mission has always been to help people truly own their most balanced self, while feeling like they know themselves better." It's all about doing what works for your body, and this clearly works for Tracy.

Thanks for the goods @weareivypark 🖤love teaching in all of the new pieces.

So what sets her approach apart? According to her site, it’s all about working smaller muscle groups—she’ll often move through smaller range-of-motion moves in her routines, and usually for a higher number of reps. Compare this to other trainers that may focus on lifting heavier and heavier weights over time, but sticking to a low rep count. The classes at her studios in New York City, the Hamptons, and Spain, as well as her online streaming sessions, each change every week to keep your body guessing and avoid hitting a plateau with results.

Celebs tend to flock to Tracy's method as well. Molly Sims, Cameron Diaz and Kim Kardashian all reportedly love the workout, according to the Huffington Post.

As shown in Tracy's IG post, it sure seems to lead to fit results.

This article originally appeared on Women's Health US