Hilary Duff Shows Off Crazy Toned Arms in New York City -- See the Pic!

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Hilary Duff is rocking Michelle Obama-worthy arms!

The 28-year-old actress showed off her toned body on Friday after a workout session in New York City.

WATCH: Hilary Duff Shows Off Her Smokin’ Bikini Bod in Hawaii 

Duff stepped out in a white tank top, black bra, black capri leggings, and stylish Nike sneakers. 

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This isn't the first time we've seen Duff's fabulous figure! A few months ago the star took to Twitter to flaunt her curves and new gig.

"Hiiii! I'm partnering with @Aerie to share #AerieREAL swim pics & raise $ for NEDA!! #aeriepartner," she wrote. 

The National Eating Disorders Association [NEDA] is a non-profit organization dedicated to providing awareness and education about eating disorders and negative body image. Other gorgeous personalities, such as Emma Roberts and Iskra Lawrence, have also modeled for AerieREAL's body-positive ad campaign.

WATCH: Hilary Duff Flaunts Major Cleavage 

We can't help but assume that Duff’s uber athletic physique is all thanks to her personal trainer, Jason Walsh, who she's been rumored to be dating for the past several months. ET has reached out to Walsh's gym about the pairing.

The Younger star has become a paragon of toned abs, fit thighs, and healthy living for her fans and fellow moms recently. Check out the video below to see Duff all grown up and hotter than ever.

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