Dulce María is a Mexican actress and singer who gained popularity for her role as Guadalupe "Lupita" Sánchez in the Mexican telenovela "Rubí" (2004). However, I believe you are referring to her role in the telenovela "Dulce María" or possibly her music career.
: A popular ballad from the Segunda Parte that showcased her more vulnerable vocal style. Notable Achievements dulce maria extranjera 2010 link
Dulce María’s official career timeline shows no record of a song titled "Extranjera" released in 2010. Her major projects include: Dulce María is a Mexican actress and singer