Fair use principles under Section 107 of the Copyright Act allow the unlicensed use of copyrighted materials for fair use purposes, such as commentary, criticism, teaching, and news reporting

All music and the video belongs to Little Mix and their team

Music video by Little Mix performing Secret Love Song, Pt. II (Lyric Video). (C) 2021 Sony Music Entertainment UK Limited

http://vevo.ly/itsuTJ
Music
SONG
Between Us
ARTIST
Little Mix
LICENCES
SME (on behalf of RCA Records Label); AMRA, Sony Music Publishing, MINT_BMG, Polaris Hub AB, BMI - Broadcast Music Inc., ASCAP, PEDL, BMG Rights Management (US), LLC, Warner Chappell, CMRRA, UMPG Publishing, ARESA, and 9 music rights societies