"Regrets" is a 1991 song recorded by French singer-songwriter Mylène Farmer as duet with musician Jean-Louis Murat. The song was released on 29 July 1989 and was the second single from her third studio album L'Autre.... The music video was shot in a cemetery in Budapest, as the song deals with a love relationship between two people separated by the death of one of them. This ballad became a top three hit in France and was also successful in Belgium.

"Regrets" was Farmer's first duet and was scheduled as the second single from the album L'Autre... since the release of "Désenchantée". According to Farmer, the song was "very long to write". The idea of the duet started from an "irregular but faithful" correspondence through letters between both singers for a year. Murat explained: "One day, in the box of letters, I have a letter of Mylène. She is asking me if I want to sing with her. This letter is not a legend, I received by the post, simply. I do not believe my eyes, she gives me her phone number." Finally Murat called her and they met in Paris.

Already in 1989, Farmer confessed that she liked Murat's songs and his album Cheyenne Automne, and his way of writing. Thus, according to Murat, Farmer had the idea to record a duet with him, and he accepted after listening to an audiotape of "Regrets" in which Farmer sang the two voices — her own and that of Murat trying to make it deeper — which French author Julien Rigal deemed a "legend". At that time, Farmer said in several interviews that she considered Murat as her "brother", her "double", her "twin" and a "poet"; she called her encounter with Murat "fantastic". In the media, Murat said almost the same thing on this matter and on other ones, so much so that the OK magazine established a comparison of the previous interviews given in the press by both singers. However, as noted by author Erwan Chuberre, it remains impossible to really know if the duet was actually motivated by a genuine friendship or by a business strategy, given that the singers wanted to expand their fans base then. In 2004, Murat said in the French newspaper L'Express that "Regrets" helped him to launch his career.

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