Actress and Dior Beauty ambassador @NataliePortman was a picture of elegance at the world premiere of 'Avengers: Endgame' in Los Angeles, in a black wool body and black silk skirt from the Autumn-Winter 2019-2020 collection by #MariaGraziaChiuri, the latter piece embroidered with toile de Jouy motifs recalling the palm artworks of Mario Schifano.? #StarsinDior?