A tiny sneak peek at the Alexander Wang for H&M collection, Gwen Stefani returns to New York Fashion Week, Yoox branches out into activewear and more news from the style trenches this week.

Fun Fashion Fact

Did you know that this year alone 6.9 million sunglasses were sold on eBay, with Calvin Klein being the most popular brand purchased by US shoppers (nearly 1 million pairs), and Ray-Ban the second most popular brand (over 200,000 pairs).