Salma's Dress, DVF's Investigation, Barneys' Sale

• Salma Hayek wore a lovely gown by Balenciaga for her wedding to François-Henri Pinault, an entirely appropriate choice given Pinault's PPR happens to own Balenciaga. [Vogue UK, NYDN]
Diane von Furstenberg says she's absolutely "mortified" that one of her jackets resembles an item designed by the Canadian label Mercy. A full investigation is underway, however. [WWD]
• "Washington, D.C., is the new New York," or so says Vogue's Billy Norwich. [Style.com]
• Sad, possibly true: "The client most crucial to luxury goods purveyors is no longer a Rockefeller but a Real Housewife of New York." [NYT]
• If your boyfriend/husband's birthday is coming up, be advised that Barneys is having a massive menswear sale next Monday. [Racked]

• Maria Cornejo went off to Washington last week with Thakoon Panichgul, Narciso Rodriguez, and Jason Wu, to lobby for a bill that would give clothing designers copyright protection. [NYM]
• Rebecca Taylor is designing cupcakes for Chelsea's Billy's Bakery. [FWD]
• Something to think about the next time you blow your paycheck at Topshop: Sir Philip Green is now one of the 10 richest people in Britain. [Vogue UK]
• Australian Fashion Week started today. [Vogue UK]
• Let the inevitable flood of Michelle Obama fashion books begin. [NYDN]
• Maurice Villency is closing its Manhattan showroom. [MAS]
• Ed Westwick takes Grazia's fashion quiz, comes up short. [Grazia]
• Is Mary-Kate Olsen taking fashion cues from Ozzy Osbourne? [SW]