Oprah Winfrey portrait — featuring the color purple — unveiled at National Portrait Gallery

Read MoreIt seemed only fitting that Oprah Winfrey chose to wear a flowing, full-length purple dress for her portrait unveiled Wednesday at the Smithsonian’s National Portrait GalleryIt seemed only fitting that Oprah Winfrey chose to wear a flowing, full-length purple dress for her portrait unveiled Wednesday at the Smithsonian’s National Portrait Gallery