Cavallari posted on Instagram a sweet picture of herself cradling her week-old baby, she welcomed with husband Jay Cutler, reported Aceshowbiz.
The 28-year-old TV personality joked about skipping out on her high school reunion.
"Really sad about missing my 10 year high school reunion last night...So many people I wanted to see...But at least I have a good excuse," Cavallari wrote alongside the shot of her cradling Saylor in a baby pink blanket.
The 28-year-old TV personality donned a grey beanie with her blonde locks styled in loose curls.