[2][3] Gadel rose to fame at age 19 after participating in the second edition of the Spanish talent show Operacion Triunfo.

During the program she was noticed by a producer from Vale Music and offered to record her debut single "Es Por Ti" in 2002.

She joined fellow OT contestants Tessa and Marey and formed the group Lunae in 2003.

In 2004, she starred in the Catalan musical Mar i Cel as lead Blanca, celebrating the 30th anniversary of the theatre company Dagoll Dagom.

[6] Gadel portrayed the Rose in the catalan musical El Petit Príncep (The Little Prince) in 2014 and 2016 in Barcelona.