Kristin Cavallari flaunts her toned abs at the gym...following divorce finalization from ex

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Kristin Cavallari showcased her toned midriff as she dived into the Friday mood in a photo she shared on her Instagram story.The reality star, 35, donned a sports bra and fitted leggings and snapped a selfie during a break between her fitness routine.The blonde beauty has dealt with a few life changes, such as her divorce from Jay Cutler, and recently opening up about her 'weight gain.' Staying fit: Kristin Cavallari, 35, uploaded a photo on her Instagram story of herself taking a selfie at the gymThe Hills star shared a snap on her Instagram story of herself taking a quick mirror selfie as she exercised at a gym.

The mom of three donned a white sports bra with thin straps, showing off her toned abs and slim waist.Kristin added a pair of brown-colored leggings that clung to her fit, long legs.

She added a pair of white sneakers to wear as she worked out. Family: The reality star shares three children with her ex, Jay Cutler, named Camden, Saylor, and JaxonThe best-selling author threw her hair up in a high ponytail to keep strands from falling onto her face.She opted for little to no makeup since she built up a sweat while completing fitness routines.Kristin recently opened up to Insider about her weight gain and the importance of spreading positivity about gaining weight on social media.

Summer time: The reality star shared photos on her Instagram enjoying a summer trip to the beach Motivation: The author and mom of three will sometimes share motivational and inspirational fitness photos with her followersShe discussed how at her age and after having three children, she doesn't want to feel 'ashamed' for showing off her body.'I've gained a lot of muscle weight.