The singer La Vie En Rose is most famously associated with the French singer Edith Piaf, who was known for her powerful voice and passionate performances. Piaf, whose name is an acronym for 'Pauvre Irène Angelina François', was a major figure in French music from the 1930s to the 1960s. Her signature song, 'La Vie En Rose', has become an international standard and is one of the most recognizable songs in the world.