Kristin Cavallari is concentrating on her diet one month after giving birth.

Kristin Cavallari's Son Is Her 'Perfect Workout Buddy'

The reality star became a mom for the third time after her daughter, Saylor, was brought into the world in November. And based on an Instagram post on Tuesday, Cavallari has been downing a lot of sugar, but is going back to eating healthy.

Since she's trying to recover from a nasty cold, Cavallari prepared herself with some nutrition that should help her stay healthy and motivated.

Kristin Cavallari Makes Small Sacrifice For Her Daughter

Things have been tough for the former Hills star ever since it was found out that her brother Michael died after being reported missing. But luckily, she has her husband, Jay Cutler, and her kids to help her get through.

In fact, the mom posted a photo with her little girl on Christmas Day of the magical holiday season they shared together. Little Saylor wears a one-piece outfit as her mom stares adoringly at her.

Saylor's first Christmas! #MerryChristmas #ChristmasJammiesOnPoint  A photo posted by Kristin Cavallari (@kristincavallari) on Dec 25, 2015 at 7:36am PST

In another shot, Cavallari pointed out how Saylor has been her "angel" who's given her "so much strength" after the tragic death of her brother. The photo below shows a little view of Saylor's feet.