Mommy & me: The reality star, who is expecting a baby girl, shared a throwback photo of herself and her mother, writing 'I just hope I have a picture like this with my daughter'
'I just hope I have a picture like this with my daughter,' she wrote, adding hashtag '#CheckOutThatHair.'
The blonde beauty also shared a photograph of one of her sons 'helping' her with her workout as she stays fit during her pregnancy.
The toddler wears cute black pajamas with giraffes as he adjusts some light weights.
Staying fit: Kristin also shared a sweet photo of one of her toddler sons helping her with her workout
'The perfect workout buddy when u are 9 months pregnant,' she wrote. '#MovingVerySlowly #Does20MinutesCount?'
Last month, the reality star also shared her excitement at welcoming her daughter with a photograph showing her tenderly cradling her growing bump.
'It's hard to believe I will be a mom of 3 in just a few short weeks. I owe so much to my babies...they have changed me in so many ways for the better,' she wrote.
Baby on the way: Kristin lovingly held her growing baby bump in a photo from three weeks ago, writing 'I can't believe I will be a mom of 3 in just three short weeks'
'I talk about my journey to mommy-hood, my pregnancies, and how these little guys have made me who I am today in #BalancingInHeels,' she went on.
'The mommy and wife chapters are incredibly raw and real-I don't sugarcoat anything. I can't wait for u guys to read it!'
The reality star, actress and designer, Kristin is set to become an author with the publication of her first book Balancing In Heels in spring next year.
The self-described 'health nut' told E! News the book will be 'an intimate look at my life,' covering fashion and beauty, healthy recipes and fitness and motherhood and marriage.
Stylish: The fashion designer wore a long black tunic and fringed boots as she attended the Kristin Cavallari by Chinese Laundry Fashion Presentation in New York City on September 17