In 2008, Lafuente made her debut at the European Championships. She was 30th at her first Senior Worlds. The next season, she finished 23rd at Europeans and 26th at Worlds, which did not qualify her for the 2010 Winter Olympics. However, she was able to qualify for the Olympics with an 8th-place finish at the 2009 Nebelhorn Trophy, and finished 22nd in Vancouver. 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. She was 12th at the European Championships but did not qualify for the free skate at Worlds.