Credit: Sipa;

Justin Theroux sported a ring on his left ring finger last night at the Alexander Wang show, making us wonder—Justin, is that your man-gagement ring? Since ABC News reported that 17% of men are open to the idea of wearing an engagement ring, we've been looking to spot the trend in action. Of course, of all people, Theroux hardly needs a piece of jewelry to tell the world he's off the market (when you get engaged to Jennifer Aniston, the news tends to spread!). But whether it's fashion statement or symbol of love, we like your style, Theroux!

Plus, see more hot men at Fashion Week.