In 2003, Andersson, represented Sweden in the Eurovision Song Contest 2003 as part of Fame, coming fifth.

In 2004, Andersson decided to pursue a career as a solo artist and has been successful as a singer, winning Let's Dance 2011 and released a biography which has sold over 120,000 copies.

In 2012, Andersson signed with BMG Chrysalis and began writing the album.

[1] Andersson said 40.14.4 is different from what she has done before, with the music and lyrics being closer to what she likes to listen to; referencing artists like Lars Winnerbäck, Melissa Horn and Peter LeMarc.

[2] The number 40 in the album title refers to Jessica Andersson turning 40 one week following the release, 14 represents her youth and 4 her childhood.