Kristin Cavallari shares sons Camden, 10, and Jaxon, 8, plus daughter Saylor, 6, with ex-husband Jay Cutler

Kristin Cavallari is getting real about her post-baby body.

During a Q&A session Tuesday on The Hills alum's Instagram  

Stories, one of her followers asked, "Are your boobs real? 

They look amazing! (Jealous mom of 2 here)." 

Cavallari — who shares sons Camden, 10, and Jaxon, 8,  

plus daughter Saylor, 6, with ex-husband Jay Cutler — responded 

Gonna keep it real with y'all: got a lift after breast feeding all 3 kids." 

The star, 35 also candidly shared her thoughts on Botox and fillers 

telling another fan, "It's not for me (or maybe I should say, I've never done it).