From Wikimedia.
Either Maria Cristina refuses to kep up with current fashion or this is a retrospective portrait.
Keywords: San Bartolomé Llaneces, María Cristina Habsburg, Maria Christina Henriette Desideria Felicitas Raineria, Maria Christina von Österreich, Erzherzogin von Österreich, María Cristina de Habsburgo-Lorena, María Cristina de Austria, reina de España, regente de España, Archduchess, Queen, Habsburg family, Borbón family, Spanish, wavy coiffure, bun, bangs, earrings, necklace, fitted bodice, vee neckline, lace bertha, brooch, jeweled bodice ornament, quarter length notched sleeves, bracelets, A-line skirt