@pbsnews: First Lady Jill Biden’s inauguration dresses have joined the “First Ladies Collection” exhibit at the Smithsonian. Alexandra O’Neill designed the blue dress and matching coat Biden wore at the inaugural swearing-in ceremony. Gabriela Hearst designed the Biden's evening ensemble of a white dress and coat embroidered with the flowers of each U.S. territory and state. Each set of designs were complete with matching face masks. Biden’s pieces join 27 other First Lady dresses showcased at the National Museum of American History. #nationalmuseumofamericanhistory #firstlady #firstladiescollection #jillbiden #bideninaguration #inauguration #alexandraoneill #gabrielahearst #stateflower #smithsonian #smithsonianmuseum