First recorded by Serge Gainsbourg & Brigitte Bardot (1967, released 1986).
Hit version by Serge Gainsbourg & Jane Berkin (US #58/UK #1/IRE #1/NOR #1 1969).
Also recorded by Donna Summer (1978).
From the wiki: “‘Je t’aime moi non plus’ was written by French composer, actor and director Serge Gainsbourg and first recorded in 1967 by him and Brigitte Bardot. Bardot asked him to write the most beautiful love song he could imagine. They recorded an arrangement of ‘Je t’aime’ by Michel Colombier at a Paris studio in a two-hour session in a small glass booth; the engineer William Flageollet said there was ‘heavy petting’.
“News of the recording reached the press and Bardot’s husband, German businessman Gunter Sachs, was angry and called for the single to be withdrawn. Bardot pleaded with Gainsbourg not to release it, and although he protested that ‘The music is very pure. For the first time in my life, I write a love song and it’s taken badly’, Gainsbourg complied with Bardot’s request. Many years later, Bardot regretted not releasing her version. The original recording of ‘Je t’aime’ was finally released it in 1986.