Greatest Hits (Westlife album)

Greatest Hits is the second greatest hits album release by Irish boy band Westlife. It was released on 18 November 2011 by RCA Records and Sony Music. Greatest Hits follows their previous compilation Unbreakable: The Greatest Hits Volume 1 (2002) and was their last before their split in the months following its release. The album is the group's first album not under Syco Music and not under the tutelage of Simon Cowell, having left Syco and Cowell in March 2011. The album contains 14 singles spanning throughout the band's career and 4 new songs produced by John Shanks. The standard edition of the album contains eighteen tracks; an expanded deluxe edition features a bonus disc and a DVD containing nearly all of the band's music videos up to that point. The album's lead single "Lighthouse" was released on 14 November 2011.

Greatest Hits received mixed reviews from music critics, with some reviewers praising the compilation's structure, while others disliked the group's musical style. The compilation reached No. 4 in the UK Albums Chart, sold more than 600,000 units and was certified 2× Platinum by the British Phonographic Industry as of November 2018. The album debuted at the No. 1 position on the Irish Albums Chart and performed moderately elsewhere.