Kristin Cavallari shows off her impressive abs during a gym session with her personal trainer

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Kristin Cavallari took to Instagram on Thursday to share gym content with her 4.3 million followers.The 35-year-old mother-of-three showed off her incredible figure in a black crop top and matching leggings.'Got after it with @kevin___klug,' she wrote over a video that showed her working out her glutes on an exercise machine.

Staying strong! Kristin Cavallari took to Instagram on Thursday to share gym content with her 4.3 million followers The Uncommon James founder wore a faded black baseball cap for her workout in Nashville, Tennessee.She pulled her shoulder-length blonde locks back into a loose and low ponytail, letting pieces fall out on the sides.

She showed off her gym style in a pair of white and black sneakers, which nicely complemented her skintight workout gear.A short video clip showed her expertly maneuvering a Sorinex hip thrust machine as she docked multiple reps.

Gym style:The 35-year-old mother-of-three showed off her incredible figure in a black crop top and matching leggingsThe reality TV personality groaned as she executed the strenuous movement before gently collapsing with a sigh of relief.'Being done is the best F-ing feeling,' she wrote over a selfie she snapped in front of a large wall mirror.Kristin showed off her hard work and consistency in the cropped halter top that exposed her defined, flat abs.