#9 Westlife
Westlife are an Irish boy band formed in July 1998. Throughout their 14-year career, Westlife sold more than 50 million records worldwide. The group managed to release 14 number one hit singles in the UK alone. In 2010, the group was included in the Guinness Book of World Records and were hailed as the UK’s top-selling album group of the 21st century. Westlife were originally assembled by Simon Cowell and managed by Louis Walsh.
Announcing their plans to disband, the group organised a farewell concert in 2012 and a total of 85,000 tickets were sold within five minutes!