The song was written by the Corrs and co-written and produced by Robert John "Mutt" Lange.

It received mixed reviews from music critics; some called it a pop hit, while others deemed it weak.

Similar with the lead single "Breathless", "Irresistible" was also written by the Corrs (Andrea, Caroline, Sharon and Jim) and Robert "Mutt" Lange, who also produced the song.

David Beamish of DVDactive called the song, "An obvious candidate for a single as with the rest of the album.

"[5] Chris Charles of BBC News wrote the song "looks like the Ivor Novello's on hold for another year, then.