Hilary Duff’s “Stronger, Not Smaller” Message Is the Wellness Wake-Up Call Women Need

In a world where “Skinny-tok” is trending and the red carpet is starting to look like a haunted revival of 90s heroin chic, our childhood queen Hilary Duff is quietly staging a revolution. Duff has always been the “stable stone” in an industry made of shifting sand; while many of her cohorts were navigating the chaos of the early 2000s club scene, Hilary was busy becoming the role model we actually needed (the one who didn’t just survive childhood stardom but thrived despite it). But that stability wasn’t accidental; it was a hard-won victory against the same industry pressures that broke so many of her peers.

Duff is no stranger to the dark side of that fame. She has been incredibly open about calling out body shamers, and vocal about the eating disorder she suffered at 17, fueled by the relentless pressure to be thin. As Duff says, it wasn’t until after having her first child that she began to embrace her body, famously captioning a 2017 Instagram post by telling women to “Be proud of what we’ve got and stop wasting precious time in the day wishing we were different, better, and unflawed.” Hilary Duff has always been the role model we’ve needed.

But a moment from a recent interview with TIME is now going viral, as the internet is dubbing it the reminder we desperately need. After noting that she grew up in an era where everyone was trying to “disappear and be waifs,” she said her goal is “stronger, not smaller.” “I am strong, and I do have muscles,” she said. “I’ve always been a gymnast, and I used to be embarrassed of my strength, and I just don’t need to be anymore.”

She pointed out that shrinking isn’t natural for her body (or most bodies), especially while enduring the hormonal changes of pregnancy and motherhood. For decades, the psychological demand to be “thin” has been the only constant in our lives. But experts agree that “stronger, not smaller” is not only a body positivity mantra, but a fitness goal. Here’s why you should prioritize strength over smallness.

Why Your Fitness Goal Should Be “Stronger, Not Smaller”

Muscle is your biological 401(k)

There’s a deeper meaning to this “strong, not skinny” phenomenon that goes beyond just looking fit; it’s about what muscle mass actually does for a woman’s longevity. You probably already know that muscle revs your resting metabolism, regulates blood sugar, and acts as a suit of armor against osteoporosis. For women, the stakes are higher than just hitting a fitness goal. Adding muscle isn’t just about changing your silhouette, it’s about literal survival. Research increasingly shows that women who strength train just 2-3 days a week are more likely to live longer compared to those who don’t. “Muscle supports everything as we age–from posture to stability, bone health, metabolism, recovery, and overall function,” said Lauren Kleban, celebrity trainer and Founder of LEKFIT. “It’s not just about aesthetics; maintaining muscle is one of the most important things you can do for long-term health.”

Think of your muscle mass like a high-yield savings account. “Having muscle is like having money in the bank,” agreed Dr. Ashley Katzenback, PT, DPT, owner of Cape Concierge Physical Therapy. “If you get sick or have a period of time where you can’t exercise, you can pull from your savings. If you have nothing in reserve, you lose the little you have, and recovery becomes a mountain you can’t quite climb.”

More muscle means better metabolic health

Strength training is also the ultimate metabolic hack. While we all know you can’t “spot reduce” fat (no matter what that 3 a.m. infomercial promised), building muscle completely shifts your body’s operating system. Muscle is highly metabolically active, meaning it burns more calories while you’re just sitting on the couch, which makes weight management feel less like a math equation and more like a biological byproduct. Plus, higher muscle mass improves insulin sensitivity, effectively lowering your risk of diabetes.

“Muscle is the master of metabolic health,” Katzenback explained. “It takes glucose from your bloodstream and stores it as energy to maintain healthy blood sugar levels and insulin sensitivity. Muscle also generates Irisin, which is a hormone that converts white adipose tissue into brown adipose tissue. Brown adipose tissue is better at burning calories, which improves metabolic health.” Focusing on shrinking actually does nothing positive for us; focusing on building muscle improves metabolic health, and therefore the health of the whole body.

“Stronger” also means better hormonal health

Beyond the scale and the gym floor, muscle serves as a critical anchor during the hormonal shifts that define different chapters of a woman’s life. Whether it’s the transition through pregnancy, postpartum, or the unpredictable onset of perimenopause, these biological shifts are notoriously difficult to navigate. While it’s a less common talking point in the SkinnyTok era, strength training is actually one of the most effective ways to balance the ship.

“It improves insulin sensitivity and helps with blood sugar control. It keeps energy and recovery stronger during hormonal changes,” explained Marwa Ahmed, CSCS, CPT, and CEO of The BodyMind Coach. “For women, that’s especially important during perimenopause and menopause, when bone health and metabolism often become harder to maintain.” 

“By choosing to be stronger instead of smaller, you’re not just resisting a trend. You’re building a body that is as resilient as it is capable.”

The Case For Taking Up Space

In a world that still rewards skinniness like it’s a gold medal, building muscle can feel a little radical and even a little scary. The desire to stay feminine and avoid the dreaded “bulk” is a constant hum in the background of every conversation about fitness for women. And while we aren’t here to shame anyone since some women are naturally built like gazelles, Rachel Macpherson, BA, CPT, CSCS, points out that “Skinny is not the same as being healthy, and many women try to force their bodies into a certain ideal by not eating enough and doing endless cardio.” Instead of fighting a war against our own biology, leaning into strength is a way to finally stop the disappearing act.

Regardless of the frame you were born with, trying to build muscle is a gift to your future self. It’s the power to carry all the groceries in one trip, the ability to pick your kids up for one more year, and the grit to keep making it up the stairs well into your 80s. By choosing to be stronger instead of smaller (as Hilary Duff already knows), you’re not just resisting a trend. You’re building a body that is as resilient as it is capable.

GET STRONGER:

• How to Overcome Gym Intimidation
• Brides Swear By This Daily 5-Minute Arm Workout Before Their Wedding
• The 5×5 Workout Method Boosts Strength and Metabolism in Just 3 Days a Week

ABOUT THE AUTHOR

Madison Freeman, Contributing Wellness Writer

Madison is a lifestyle writer with a love for all things health and wellness. Her work can be seen in Prevention Magazine, Clean Plates, Byrdie, and more!

READ MADISON’S FULL BIO

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