President Obama and wife Michelle leaving a restaurant in Martha's Vineyard, whilst on their summer holidays Michelle Obama adds another designer to her United Nations fashion portfolio. America's First Lady Michelle Obama's holiday wardrobe this year includes a vibrant, patchwork, folkloric dress by the London-based Nigerian designer, Duro Olowu. The dress, a funky, layered, smock-style, features at least five different silk prints. Mrs Obama was photographed wearing the dress while out for dinner this week, with her husband, in Martha's Vineyard. She has previously worn Duro Olowu's designs in 2008 and 2009, and has long been a 'collector' of...