Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  N'ọnwa June 1998, Byrne gara nyocha maka otu egwu ụmụ nwoke ọhụrụ nke Irish, ebe onye njikwa Boyzone bụ Louis Walsh bịakwutere ya ka ọ sonyere ya na ọrụ ọhụrụ ya, Westlife. Byrne sonyeere Westlife tinyere Kian Egan, Mark Feehily, Shane Filan na Brian McFadden. Byrne kpughere na Westlife: Akụkọ anyị na ọ chọrọ ịgbanwe aha ndị otu ahụ na West High; mana ndị ọzọ họọrọ Westlife. Site na Westlife, Byrne enweela abụ iri abụọ na ise n'ime iri UK, iri na anọ n'ime ha, bụ nọmba otu, 7 nọmba otu albums ma rere ihe karịrị nde 55 nde n'ụwa niile. E gosipụtara na Westlife erewo nde 20.2 na vidiyo na UK n'ime afọ iri na anọ ha na-arụ ọrụ <unk> 6.8 nde ndị na-alụbeghị di, 11.9 nde albums na 1.5 nde vidiyo. Byrne nwekwara nọmba otu otu na Ireland na 2002, n'akụkụ Republic of Ireland national football team na Dustin Turkey na Irish 2002 FIFA World Cup ukwe, "Here Come The Good Times (Ireland)". O sokwa dee ọtụtụ abụ ndị Westlife.  Ajụjụ: Ònye ka Byrne sonyeere Westlife?
Kian Egan, Mark Feehily, Shane Filan na Brian McFadden