See what's happening in online fashion this week.

Following the launch of his first standalone store in New York, Alexander Wang has relaunched his website, whose shop now offers ready-to-wear in addition to the previously available T by Alexander Wang line. Models' faces were obscured in a mask collaboration project with performance artist Terence Koh, adding a 'concept store' twist to the site.

Payvment, a Facebook app that lets anyone create a retail store on the social network, has unveiled a virtual shopping mall comprised of all the stores that use the app. The platform offers over one million products from 50,000 retailers.

In other online mall news, denim brand Levi's has opened a virtual boutique on Chinese shopping platform Taobao. More than 200 products can already be shopped via the site, and the label plans to launch online exclusives in the future.

E-tailer Shopbop has announced it will launch a shopping area dedicated to weddings on March 14. Dresses will include designs by Halston Heritage, Lela Rose, Notte by Marchesa, Max Azria, Temperley London, Alice + Olivia, and Calvin Klein, with prices ranging from $195 to $5,000.