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Westlife were an Irish pop vocal group, formed in Dublin in 1998 and disbanded in 2012. Originally signed by Simon Cowell and managed by Louis Walsh, the group's line-up consisted of Nicky Byrne, Kian Egan, Mark Feehily, Shane Filan and Brian McFadden, who was a member until his departure in 2004. Westlife sold over 50 million records worldwide, a total that included studio albums, singles, video releases, and compilation albums. The group accumulated 14 number-one singles in the United Kingdom.

Westlife's first big break came in 1998 when they opened for Boyzone and Backstreet Boys' concerts in Dublin. Later, they won a special Smash Hits Roadshow award at that year's Smash Hits Poll Winners Party. In April 1999, the group released their first single, "Swear It Again" which immediately topped the charts in Ireland and in the UK for two weeks. Their second single, "If I Let You Go" was released in August 1999, along with the highly acclaimed "Flying Without Wings" produced by Steve Mac and written by Mac and Wayne Hector (their first 'Record of the Year'), released in October the same year, also followed suit. "Flying Without Wings" was also included on the soundtrack of the Warner Brothers film, Pokemon: The Movie 2000. Their first album, simply titled Westlife, was released in November 1999 and went to No. 2 in the UK. The album was the biggest chart dropper on the top 40 in UK music history when, in its 58th week on the charts it leapt from No. 79 to No. 3 before falling to No. 37 the following week.  In December 1999, a fourth, double-side, single was released, "I Have A Dream"/"Seasons in the Sun". It knocked Cliff Richard's "The Millennium Prayer" off the top spot and earned them the 1999 UK Christmas number-one single. The fifth and last single from the album, "Fool Again", also peaked at number 1. Then the group went on a short UK, US and Asian tour in support of their debut album before releasing a second album.  Coast to Coast was released a year later and was another No. 1 UK album, beating the Spice Girls' Forever album. It became the country's 4th biggest selling album of 2000. The album was preceded by a duet with Mariah Carey singing the Phil Collins' classic "Against All Odds (Take a Look at Me Now)" and the original song "My Love" (their second Record of the Year award). Both singles reached No. 1 on the UK charts. With this, Westlife broke an unexpected record of the most consecutive number-one singles in the UK, having their first seven singles debut at the top. However, in December 2000, their eighth single, the UK and Ireland exclusive "What Makes a Man", only debuted at number two. Outside the UK and Ireland, they gained chart success with "I Lay My Love on You" and "When You're Looking Like That". In 2001, they launched their first world tour, "Where Dreams Come True Tour".  The single 'My Love' was reportedly used as part of a CIA torture program in Afghanistan. According to the American Civil Liberties Union, "the music pounded constantly as part of a scheme to assault prisoners' senses". Westlife released World of Our Own, their third album, in November 2001. "Uptown Girl", "Queen of My Heart" and "World of Our Own" were released as singles, all of which peaked at No. 1 in the UK. "Bop Bop Baby" was also released as a single, but it peaked at No. 5 in the UK Singles Chart. In 2002, Westlife went on their second world tour, the World of Our Own Tour (In The Round).

Entity:
Westlife