"Hey Whatever" is a song by Irish boy bandWestlife. It was released on 15 September 2003 as the lead single from their fourth studio album, Turnaround. The song peaked at number four on the UK Singles Chart.
The song itself is a re-written version of "Rainbow Zephyr", a popular song by Irish Rock Band Relish. It was around this time that Brian McFadden decided to pursue a solo career, and this became the third from last single he released with the band.