By GalTime's Entertainment Diva Andrea Krivelow
Photo by Janet Mayer/PR PhotosKristin Cavallari made her first red-carpet debut on Tuesday night since giving birth to baby Camden on August 8 th .
The former Hills star attended Ulta Beauty's "Pucker Up" event in NYC, to help celebrate their Donate With a Kiss campaign.
Kristin showed off her slim figure in a black dress, and revealed the secret being her rapid weight loss:
"I started working out when he was 4-weeks-old. Breastfeeding honestly burns 500 calories a day, so that's been very helpful. And I'm a healthy eater in general, so I've just maintained a healthy lifestyle."
Related: Kristin Cavallari Surprised By Engagement
She added:
"I've been on the treadmill and doing a little jogging, but taking it easy and not killing myself. And I haven't really been stressing about it either. I think that helps."
This is the first child for Kristin and fiancé Jay Cutler, a quarterback for the Chicago Bears.
Looking good!
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