After finishing school, she studied musical theatre in Barcelona and lived for a time in the United Kingdom, as well as participated in humanitarian missions in Africa.

She finished third, but in a separate vote was selected by the audience to compete in the Eurovision Song Contest 2003.

Beth released her first studio album entitled Otra realidad, which included "Dime", on 23 April 2003 with Vale Music.

[3] In 2004, Beth released live album and DVD Palau de la Música Catalana, from her first concert tour Gira Otra realidad 03-04.

At the same time, she developed a career as a theatre actress, and in 2013 she starred in the stage musical La Dona vinguda del futur, produced by the Teatre Nacional de Catalunya and created by Marc Rosich and Guille Milkyway.