From 1973 to 2008, she was the spokeswoman and the best-known leader and presidential nominee of Lutte Ouvrière (LO), a Trotskyist political party.

She continues to live in a council high-rise in Les Lilas and her only income is her pension from the bank where she worked for 40 years.

In the past, Laguiller and LO have often refrained from openly supporting the Socialist Party and take a neutral stance in the second round.

[2] The puppet show, Les Guignols de l'info frequently caricatured Laguiller as saying, "Travailleuses, travailleurs !

He has since lost his soft spot for Laguiller after she refused to back Jacques Chirac against Jean-Marie Le Pen in the 2002 presidential election and has stated that he won't sing the song again.