Mónica Rodríguez, Nika (born in Torrejón de Ardoz, Community of Madrid, December 11, 1979) is a Spanish singer who entered the world's music thanks to her participation on the second edition of Operación Triunfo on 2002. She started to study classic ballet at the age of 3 years old. She plays piano and guitar. She was part on two bands before recording her first album.