[1] Selling over 80,000 copies during its opening week,[2] "Because We Want To" made Billie the youngest artist to debut at number one on the UK Singles Chart, aged 15.

[3][4][5] Outside the United Kingdom, the song became a top-10 hit in Ireland, New Zealand, and Sweden, peaking at numbers nine, nine, and eight, respectively.

[7][8][9] The video (directed by Phil Griffin[10]) starts in a run-down street in London, where the ground is violently shaking.

In the video, cut scenes of Billie and her friends walking down side streets are seen.

In one scene, she melts a bin which transforms into a dancing humanoid and in another scene she graffitis "Billie" on a billboard and an animated character then jumps from the billboard and dances along with the humanoid made from the melted bin.