Fashion Roundup: Justin Timberlake’s Fashion Week Plans; Zara Outdoes The Gap; Diane von Furstenberg’s New Job

Justin Timberlake will perform twice during Fashion Week—once for the Fashion Rocks show, and once more at the Roseland Ballroom during a showing of his own collection. [WWD]

Zara has officially beat out The Gap as the world’s largest fashion retailer. [Guardian]

A preview of Comme des Garcons‘s line for H&M, which will hit stores in November, is now available. [The Cut]

Meet the Ronsons dressed up as the Royal Tenenbaums. [Harper’s Bazaar]

Diane von Furstenberg is the new celebrity columnist for travel magazine Departures. [Vogue UK]

Tiffany and Co. has filed an appeal in federal court of the court’s ruling last month that eBay is not to be held accountable for trademark infrigement on the Tiffany brand. [WWD]

Sergio Rossi has unveiled his interpretation of Dorothy’s ruby red slipper to celebrate the 70th Anniversary of the Wizard of Oz; it will be auctioned during New York fashion week in September. Other participating designers include Betsey Johnson, Christian Louboutin and Manolo Blahnik. [Vogue UK]