As Rubio has stated of herself "I have been famous since I was born", as she is the daughter of Mexican actress Susana Rue, best known by her stage name Susana Dosamantes, and Enrique Rubio, a lawyer.
From the age of 5, Rubio was taking singing, acting, jazz, painting, and dance lessons while enrolled at what is now the Centro de Educación Artística (CEA) in Mexico.