Written by various contributors, including the track producers Ryan Tedder and Lindgren along with group members Jennie and Rosé, it is a trap and EDM song driven by hip-hop rhythmic elements over Turkish flute sounds, with lyrics that discuss the importance of being independent and courageous in life.

The same day, a music video teaser was released, confirming the soundtrack's title to be "The Girls" and revealing a snippet of the song as animated avatars of the Blackpink members danced to it.

[2] Record producer Ryan Tedder, who worked with Blackpink on "Bet You Wanna" (2020), posted a teaser of "The Girls" on his social media handles, confirming his involvement on the song.

[6] TakeOne Company also announced that a physical package, available in "Stella" and "Reve" versions and containing a QR code to download the song and lyrics, would be released two days later.

[7] On social media, the song's producer Ryan Tedder confirmed that "The Girls" would be introduced to streaming platforms as well as radio upon release.