Kate Middleton Rocks Workout Gear, Proves She's Just Like Us -- See the Pics!

Kate Middleton is just like us!

OK, maybe not entirely like us, but her recent street style sure made us feel a little closer to the royal.

The Duchess of Cambridge stepped out in London's Chelsea neighborhood on Wednesday wearing all-black workout gear, including a roll-neck sweater by Alice Temperley, which she topped with a matching moto-inspired leather-and-suede jacket by the same designer.

She completed the casual look with a gray leather Tod's Bauletto handbag, Annoushka pearl drop earrings and Asics sneakers.

WATCH: Kate Middleton Rocks Recycled Red Coat While Honoring Search and Rescue Forces

Though it's rare to see Middelton in such attire, the look was quite appropriate, as she went shopping in the yoga enthusiast haven known as Lululemon.

From the literal dirt on her sneakers, it looks like she got quite the workout that afternoon!

Middleton's athletic prowess is well-known -- she competed on a rowing team in college and reportedly stays fit with swimming, yoga and running.

Just hours earlier, she was all dressed up in a chic outfit to serve as the Guest Editor of The Huffington Post UK. The 34-year-old mom-of-two looked as put-together as ever in a sheer white blouse, black-and-white tweed skirt and black tights.

WATCH: Kate Middleton Looks Gorgeous While Helping Save Children's Lives

Middleton was promoting the mental health charity Young Minds Matter, a new series exploring issues and work around the mental health of young children, at Kensington Palace.

She also took the opportunity to pen an essay about the often overlooked issue, writing, "The mental health of our children must be seen as every bit as important as their physical health. For too long we have been embarrassed to admit when our children need emotional or psychiatric help, worried that the stigma associated with these problems would be detrimental to their futures."

Talk about all in a day's work!

And, to think, we already felt a little bit closer to her when she recycled this red LK Bennett coat as she and Prince William honored the Royal Air Force Search and Rescue Operation on Thursday.

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But wouldn't you?

Find out more about Middleton's essay in the video below.

Kate Middleton Pens Powerful Essay, Sheds Light on Children's Mental Health Issues

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