I Am Betty, The Ugly One (1999)

Beatriz Pizón Solano is a brilliant economist who can't get a job because of her aesthetic appearance, so she accepts a position as a secretary at Ecomoda, a textile design company where she is made to feel ugly all the time. There she meets her boss, Armando Mendoza, and falls hopelessly in love with him. Is there a chance that the handsome and womanizing Armando can see beyond the aesthetic and fall in love with Betty?