Who sings the Cadillac song "The Daring: No Regrets"?

"The Daring: No Regrets" song featured in a Cadillac commercial is sung by French artist Edith Piaf. The French title of the song is "Non, Je Ne Regrette Rien."

Edith Piaf, born in Belleville, Paris in 1915, began singing publicly at the age of 14, joining her father in street performances throughout France. After being discovered in 1935 by Louis Leplee, a night club owner in Paris, Piaf started her career as a cabaret singer. Despite the German occupation of Paris during World War II, she continued to work, and, after the war, she received both national and international acclaim as an entertainer.