Gwen Stefani and Gavin Rossdale at the match between Roger Federer of Switzerland and Juan Martin Del Potro of Argentina

(L-R) Editor-in-chief of Vogue Anna Wintour, Mirka Federer, Gwen Stefani and Gavin Rossdale at the match between Roger Federer of Switzerland and Juan Martin Del Potro of Argentina on day fifteen of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on September 14, 2009 in the Flushing neighborhood of the Queens borough of New York City.