Michael Costello
has gone from impressing Heidi to "Housewives."

The designer, who first appeared on "Project Runway" Season 8 and was a finalist for "Project Runway All Stars," has been hard at work since his time on the Bravo show.

For the first time ever, Style Fashion Week LA is being held at the LA Live Event Deck -- a bigger venue for big-name designers to show their stuff.

And Costello had so much, he showed two different collections there in just one night this week!

toofab's Anna Kachikyan talked to Costello about his new collection and his "Sex and the City" inspirations -- and chatted with two of his famous fans: Gretchen Rossi and Slade Smiley from "Real Housewives of Orange County."

Check out those interviews and get a front row look at the runway show in the video above!

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