Lafuente became the first Spanish skater to medal on the ISU Junior Grand Prix circuit when she won silver at the 2006 Mexico Cup.

[3] In the 2003–04 season, Lafuente made her international debut as a novice, and finished with the bronze medal at the Merano Cup, an event she would win one year later.

The next season, she received her first Grand Prix assignments, and finished 10th and 7th, respectively, at the 2010 Skate Canada International and the 2010 Trophee Eric Bompard.

Lafuente was 9th at the 2011 Nebelhorn Trophy, 7th at the 2011 Trophee Eric Bompard, 5th at the 2011 Golden Spin of Zagreb, and 15th at the 2012 European Championships in Sheffield.

In 2018, Lafuente was the sole performer in the music video for the song Pausa, from the album Autoterapia, by the Spanish band Izal.