DVF’S NEW GRACE: Diane von Furstenberg tapped Grace Cha as vice president of global communications, a new position effective Sept. 21. Cha is joining from Valentino USA, where she held the title of vice president of communications. Before that, Cha was a managing director at HL Group. At DVF, Cha is taking on a senior strategic role in the communications department. In related news, director of global communications Emese Szenasy is leaving the company to start Branded Intelligence, a branding and communications agency.