>> she's been standing out here all day long. >> reporter: he is capturing image s for dos and don'ts, the magazine's most popular franchise. >> do's and don'ts is "glamour's" most popular franchise, the most important one, publishing as long as the magazine, more than 70 years. >> reporter: a simple idea, showing what stylish women are wearing and what works and what doesn't. if you make the page, you're either a fashion do, in which case you're all good, or a fashion don't, and you end up covered with the dreaded black bar. >> this is one of my favorites, the red leather dress. this is a trend we weren't expecting to see pop up in so many places. there are so many ways it can go horribly wrong and then a couple of ways that it can be amazing and look right. >> reporter: before fashionistas end up in print, roddy finds them on street corners at the hottest fashion events, capturing the trends even before people knew they were trendy. >> been doing the fashion dos