All the bands Louis Walsh made famous! - 'The X Factor' judge Louis Walsh has announced that he is retiring from his position on the show after 13 years. The Irish manager has been the longest-serving judge since the show began in 2004. Take a look at all the chart-toppers he has created over the years!

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Johnny Logan - Johnny Logan is the only performer to have won the Eurovision Song Contest twice, in 1980 and 1987. He also composed the winning song in 1992. Walsh managed him through his successes.

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Boyzone - In the 1990s, Walsh decided to create an Irish version of Take That. After a series of open auditions he created Boyzone.

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Boyzone - The hugely successful boyband had16 top three singles, six of which were number ones, as well as four number one albums, selling more than 20 million copies worldwide.

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Ronan Keating - When Ronan Keating announced he wanted to take a break from Boyzone, Louis Walsh continued to manage him and they achieved further success.

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Ronan Keating - Keating landed number one hits in 1999 and 2000, and as a solo artist, he has sold over 20 million records. Keating and Walsh later parted company.

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Westlife - Walsh and Keating worked together to create a new boyband in 1998. Westlife were co-managed by the duo for the start of their career.

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Westlife - The boyband sold over 50 million records worldwide and the group had 14 number-one singles in the United Kingdom. They achieved a total of 26 UK top ten singles over their 14-year career.

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Shane Filan - After Westlife split in 2012, member Shane Filan continued to be managed by Walsh and remains so to this day. Filan has released three solo albums.

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Samantha Mumba - Aged just 15, Samantha Mumba was discovered by Louis Walsh while appearing on an RTÉ TV talent show, 'Let Me Entertain You'.

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Samantha Mumba - Her debut single, 'Gotta Tell You', reached the Top 10 in Ireland, the UK, and the US. She later appeared in films and the 2008 series of 'Dancing on Ice'. In 2017, she took part in a celebrity version of MasterChef Ireland.

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Shayne Ward - Shayne Ward was the winner of the second series of 'The X Factor'. His debut single reached number one on the UK Singles Chart in 2005 and was that year's Christmas number one. It was the third-fastest-selling single of all time in the UK.

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Shayne Ward - In 2011 he appeared in in 1980s-themed musical Rock of Ages.

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Shayne Ward - Since 2015, he played Aidan Connor in 'Coronation Street', and made his last appearance on the soap in May 2018.

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Bellefire - This Irish girl group is best-known for their 2002 cover of the U2 song 'All I Want Is You'. Walsh formed the group in 1999, after failing to find male talent for a mixed gender pop group.

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Bellefire - The band never made much of an impact and broke up in 2004.

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Six - Six was a short-lived Irish pop group formed on 'Irish Popstars' in 2002. Nadine Coyle was originally selected but was disqualified because she was only 16-years-old. She was replaced by Sarah Keating. Both women went on to be members of Girls Aloud.

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Girls Aloud - The hit girl group was formed from the ITV talent show 'Popstars: The Rivals' in 2002.

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Girls Aloud - The group was named the UK's biggest selling girl group of the 21st century, with over 4.3 million singles sales and 4 million albums sold in the UK alone. They disbanded in 2013.

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G4 - This operatic boyband came second in the first series of 'The X Factor' in 2004.

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G4 - Their eponymous debut album sold over 245,000 copies in the first week. Their debut single, a cover of Queen's 'Bohemian Rhapsody', entered the charts at number nine. Walsh stopped managing the group in 2007 but they are still active.

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Jedward - Identical twins John and Edward Grimes came sixth on the the sixth series of 'The X Factor' in 2009.

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Jedward - They have since released three albums and the first two went double platinum in Ireland.

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Jedward - The brothers have also landed gigs as TV presenters and are reportedly working on their fourth album.

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Wonderland - Wonderland was a short-lived Irish girlband formed by Louis Walsh and Westlife band-member Kian Egan.

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Wonderland - Member Jodi Albert married Kian Egan and went on to appear in Channel 4 soap 'Hollyoaks'.

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Union J - Union J were a three-piece group that auditioned for the ninth series of 'The X Factor', where they found fourth member George Shelley. They finished fourth in the competition.

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Union J - Their self-titled debut album peaked at number 6 on the UK Albums Chart and they have released another since. The band continues to tour.

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Hometown - This six-piece Irish boy band was formed and managed by Louis Walsh. They were around from 2014 to 2016.

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Hometown - Their self-titled debut album debuted at number four on the Irish Albums Chart.

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Hometown - Former member Brendan Murray was the Irish representative in the Eurovision Song Contest in 2017. He failed to qualify for the finals.

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Myles and Connor - Musical duo and TV presenters Myles and Connor are Walsh's most recent project. The twins appeared on the fourth series of 'Britain's Got Talent' as part of the boyband Connected.

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Myles and Connor - Today, they are presenters on a local TV station, That's Manchester.

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