Westlife are an Irish pop vocal group, which formed in 1998 in Sligo, disbanded in 2012 and reunited in 2018. They were originally signed by Simon Cowell in the UK, Clive Davis in the US and managed by Louis Walsh and Sonny Takhar.

The group currently consists of Shane Filan, Mark Feehily, Kian Egan, and Nicky Byrne. The band have sold over 45 million studio albums and 55 million records overall worldwide. 36 albums peaked at number-one globally from 1999 to 2011.

The band has received over a billion views on their official YouTube channel alone with more than 2.3 million page subscribers as well, were streamed more than 300 million times, and more than 550 million streams on Spotify as of 2018 and more than a million followers on the said streaming media platform as of May 2019. More than one million followers are also recorded in the largest music streaming site in China, QQ Music, for the band.

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