Rosalie Anderson MacDowell is an American actress and former fashion model. MacDowell is known for her starring film roles in romantic comedies and dramas. She has modeled for Calvin Klein and has been a spokeswoman for L'Oréal since 1986.

L'Oréal S.A. is a French multinational personal care company headquartered in Clichy, Hauts-de-Seine, with a registered office in Paris. It is the world's largest cosmetics company and has developed activities in the field, concentrating on hair color, skin care, sun protection, make-up, perfume, and hair care.