Good thing this took place after the kiddos' bedtime because this look is not suitable for kids under the age of 13!
The Project Runway hostess hit the carpet in a not so kid-friendly KaufmanFranco sequin halter gown with mesh detailing that revealed her panty-free bod!
We're not crazy about the super casual hair and makeup, but with a bangin' bod like that, we almost forgot to even look anywhere else!
Way to distract us in the best way possible, Heidi!
[Image via Dimitrios Kambouris/Getty Images.]