Estrella was born in Saragossa and she began her music studies at the age of 9. She took solfeggio and piano lessons at the Conservatory of the city. She graduated as a Piano Teacher and as a Musical Pedagogue in Saragossa Higher Conservatory. As she had an interesting light-lyrical (coloratura) soprano voice, she started official singing studies at the same time, and she obtained an intermediate degree after her studies with the soprano Pilarín Andrés and later with the mezzo-soprano María Elena Vallejo in the private professional conservatory Città di Roma.

With a FIDAH Foundation scholarship, she has finished with success improvement courses at the Singing Higher School in the Great Theatre of Liceo Conservatory, Barcelona, with the teachers Enriqueta Tarrés, Angel Soler and Isabel Franco.

In July 2003 she was one of the five finalists for the Motserrat Caballé grants and she took part in the winners' concert at the "Patio de la Infanta". In 2006 she was announced the only finalist in the singing specialty of the Internacional Music Tournament at the Saragossa Auditorium and she performed at the Galve Room in the closing concert. She has attended master classes by Ana Luisa Chova, Carmen Bustamante, Enedina Lloris, Renata Parrussel, Virginia Zeanni, Paul Farrington, Miguel Zanetti, Santiago Casero, Dante Mazzola, Kayoko Tada, Ana María Sanchez, Robert Expert, Sara Almazán, María de los Llanos Martínez, Cynthia Sanner, Mario de Rose, Francesca Roig, Celsa Tamayo, Eliberto Sánchez y Josefina Arregui in order to improve her vocal technique and repertory.

She was a member of the Amici Musicae, the Saragossa Auditorium choir. Later, with "Más que Voces" she has offered concerts of oratorio, opera, zarzuela (Spanish operetta) and lied as a soloist soprano in Spain, France and Italy. She has also sung as a soloist with other ensembles and orchestras, like the "Orquesta Sinfónica de Zaragoza", the "Orquesta Sinfónica del Conservatorio Superior de Aragón", the Choir and Orchestra of the "Teatro Lírico de Zaragoza", the "Orquesta de Cámara de Huesca", the "Banda Municipal de Huesca" and some others. This season, she made a very successful debut as Violetta in Verdi's La Traviata at Saragossa Auditorium, under maestro Juan Luís Martínez's baton.

She also has the roles of Gilda of Verdi's Rigoletto, Oscar of Verdi's Un Ballo in Maschera, Susanna and Contessa in Mozart's opera Le Nozze di Figaro, Zerlina and Donna Anna of Mozart´s Don Giovanni, Pamina of Mozart's Die Zauberflöte, Fiordiligi and Despina of Mozart's Cossi Fan Tutte, Mimí and Musetta of Puccini's La Bohéme, Liu of Puccini's Turandot, Cleopatra of Handel's Giulio Cesar, Norina of Donizetti´s Don Pascuale, Adina of Donizetti's L'elisir d'amore, Micaela of Bizet´s Carmen, and Juliette of Gounod's Roméo et Juliette.

She has combined her artistic activities with the managing of a family business, the legal profession in the law firm Ruiz-Ayucar y Asociados in Madrid, the foreign trade as an international finantial analist for the Caja de Ahorros de la Inmaculada (CAI) and the pedagogy as a secondary school music teacher and singing teacher at the Conservatory and the University. She studied Economic Science in the UNED and she obtained a degree in Law from Saragossa University and a Master of Management in Foreign Trade from ESIC.