Kristin Cavallari has thanked breast feeding for giving her one ''perkier'' breast.

The 30-year-old television personality - who has sons Jaxon, two, Camden, four, and 14-month-old daughter Saylor with her husband Jay Cutler - flaunted her ample assets in the v-neck and scoop back black Olima gown at the 59th Annual Grammy Awards, which took place at the Staples Center in Los Angeles on Sunday (12.02.17), and she has taken to social media to show her gratitude to her stylists who chose her ensemble and motherhood for her changing body.

Alongside a picture of 'The Hills' alumni in the eye catching ensemble, which she has shared on her Instagram account, she wrote: '' I just wanna thank breast feeding for making my left boob perkier than my right. Oh, and the glam squad. And spicy, skinny margs. Goodnight! (sic).''

And Kristin had ''a blast'' walking on the red carpet at the star studded event.

She captioned another post: ''What a fun day! Thanks @eonline for having me back to help countdown to the #Grammys . It's been a blast to walk these iconic carpets and a HUGE thank u to my glam squad @thescottycunha @robertsesnek@judystylexo and for my custom dress by @olimastudio (sic).''

The American star claims she has become an expert in multitasking and has no problem driving whilst pumping breast milk.

Speaking previously, the 'Balancing in Heels' author said: ''I'd hold my boob up and then I'd drive with one hand.

''The people I was sitting next to knew something was going on. They definitely were like 'What is she doing!?'''

Meanwhile, the American star is set for a busy year ahead as she will be launching her new jewellery line titled Uncommon James in ''a couple of months''.

Speaking about her upcoming Kristin, she said: ''Ok, guys!! My new jewelry line is UNCOMMON JAMES and will be launching within a couple months! In the meantime, follow @uncommonjames because once we launch, we'll be doing a ton of discounts! Thanks for the support!! (sic).''