Birkin recorded the song "Beauty" on French producer Hector Zazou's album "Strong Currents" (2003). The cover art of "Have You Fed the Fish?" (2002) by singer-songwriter Badly Drawn Boy features her image and backing vocals by her daughter, Charlotte Gainsbourg. In 2006 she recorded and released the album "Fictions", and in 2010, recorded a duet with Brazilian singer Sérgio Dias, which appeared on "We Are the Lilies", an album by Dias and French band Tahiti Boy and the Palmtree Family; the album also featured contributions from Iggy Pop and others.