Famous for her time as the Crown Princess of Greece, which began upon her marriage to Pavlos, the Crown Prince of Greece, in 1995. She founded the children fashion line Marie-Chantal in 2000, and has served as a board member for luxury fashion line DFS.
She began studying at the Academy of Arts and New York University before being proposed to by Crown Prince of Greece Pavlos.
She has served as a trustee for the Royal Academy Trust.
She shares five children with her husband, whose names are Princess Maria-Olympia, Prince Constantine-Alexios, Prince Achileas-Andreas, Prince Odysseus-Kimon, and Prince Astridis-Stavros. Her sisters Pia and Alexandra also married into riches and royalty. Her father is Robert Warren Miller.