• Hilary Duff, 34, just showed off her toned abs in a brand new TikTok.
  • After one of the singer's old performances went viral on the app, Hilary proved she still remembered the iconic choreography.
  • Hilary recently swapped cardio workouts for weightlifting to stay fit.

In just one day, Hilary Duff's latest TikTok has already racked up over six million views. The actress and singer, 34, crushed a viral TikTok dance—that just so happens to be one of her old performances, thank you very much.

"HERE YOU GOOOOOOOO!" Hilary captioned the video. The Younger star is dancing alongside one other TikTok user and an old clip of herself dancing onstage (and yep, she's still got the same moves). And, she's wearing a white cropped tank top that totally shows off her washboard abs.

Fans in the comments were really feeling the nostalgia. "K this is actually what dreams are made of," one user wrote, referencing Hilary's Lizzie McGuire days. And singer Tori Kelly was cheering her on every step of the way: "GO AWF QUEEN," she wrote.

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So, just how does Hilary sculpt those abs of steel? The mom of three told Women's Health that she recently stopped doing cardio in favor of lifting weights. “I was thinking I don’t need to do heavy weights because if I do heavy weights I’ll bulk up,” she said. “I tend to build muscle fast.”

Now, she's fully embraced strength training. “I’m lifting and squatting and using a barbell with lots of weight on it, and I’ve never felt so strong but lean,” she added.

But why ditch the cardio workouts? Hilary says they take up too much time and usually leave her feeling tired and hungry. “This is such a different, more efficient way of working out,” she told WH.

And, Hilary says exercising has improved her mental health, too. "Working out is just really good for my brain, my mind," she said, per Shape. "As much as I want to stay in shape and I think [working out] is good for me, it keeps me in a good mindset."

As for her diet, Hilary works with a flexible dieting coach to make sure she's getting the nutrition she needs. “He basically counts your macros for you—and it’s been amazing because it’s basically like a mathematical equation that I just follow, and it’s been really successful for me,” she told Women's Health.

The How I Met Your Father star explained that being more mindful about what she eats has helped her rethink her meals. “I had no idea how much I was eating throughout the day, snacking,” she said. “I lost 10 pounds and I was not starving myself, and just eating things that I like and being more conscious."

This way, Hilary explained, she can eat what she wants without feeling restricted. "I’m the first person to be like, 'I hate when you tell me what to do.' The second someone tells me ‘You can’t have wine,’ I’m like, ‘I want all the wine,’” she said.

“It’s been cool to retrain my mind and figure out that this works. I can eat normally and live normally and enjoy food, but still get the results I’m looking for.”

Her favorite foods to indulge in (besides wine)? Bread and chocolate, according to Delish. Same, Hilary!

From: Women's Health US