Niña de mi corazón (English title: A Double Identity)[1] is a Mexican telenovela produced by Pedro Damián for Televisa that aired on Canal de las Estrellas from March 8, 2010 to July 9, 2010.

[2][3] It is a remake of the Mexican telenovela Mi pequeña traviesa, also produced by Pedro Damián.

In the United States, Univision broadcast Niña de mi corazón from February 28, 2011 to June 17, 2011.

Andrea's aspirations fall apart when she learns that her father Benigno (José Elías Moreno) was run over by a car, and left in a wheelchair as a result.

Thanks to Vittorio, a friend of the family, Andrea gets a job at Maximo's (Arturo Peniche) law firm, as the assistant of the owners' son Darío (Erick Elías).