THOMASVILLE, Ga., Sept. 25, 2013 /PRNewswire/ -- After announcing Wonder bread's return to grocery store shelves across the country starting this week, Flowers Foods (NYSE: FLO), a leading producer and marketer of packaged bakery foods in the U.S., is unveiling a partnership with NASCAR Sprint Cup Series race car driver Kurt Busch who currently drives the No. 78 Furniture Row Chevrolet SS.  Reminiscent of Wonder bread's memorable appearance in the 2006 movie "Talladega Nights," the Wonder car will make its colorful debut at the NASCAR Sprint Cup Race at Talladega Superspeedway – NASCAR's most competitive track - on October 20.