Provided to YouTube by RCA Records Label A Mess (Happy 4 U) · Little Mix Confetti ℗ 2020 Under Exclusive Licence to RCA, a division of Sony Music Entertainment UK Limited Released on: 2020-11-06 Vocal, Composer, Lyricist: Perrie Edwards Vocal: Jesy Nelson Vocal, Composer, Lyricist: Leigh-Anne Pinnock Vocal, Composer, Lyricist: Jade Thirlwall Background Vocal, Drums, Programmer, Synthesizer, Composer, Lyricist, Producer, Vocal Engineer, Vocal Producer: Cass Lowe Composer, Lyricist: Janée Bennett Background Vocal, Vocal Producer: Jin Jin Vocal Producer: Raphaella Vocal Engineer: Paul Norris Mixing Engineer: Phil Tan Assistant Engineer: Bill Zimmerman Mastering Engineer: Randy Merrill Assistant Engineer: Ramera Abraham Auto-generated by YouTube.