We all know Carrie Underwood holds the title for best legs in the biz, but not all of us know her secrets for how she gets (and keeps!) them that way. Thanks to a video workout routine the country A-lister posted on Instagram this week, we now have an inside look at one of her leg workouts of choice—and who knew it'd be so easy to do!

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All you need are two towels, a mat and a smooth floor to mimic Carrie's moves. In her post, the star writes, "No need for tons of equipment or complicated moves. It's Erin Oprea [her personal trainer] approved! Now get moving!"

In the video, Carrie is using towels from her own fitness and lifestyle apparel/accessories line, Calia by Carrie Underwood ($15 each).

No gym membership needed, this workout is a perfect way to kickstart your fitness routine in the New Year!