When did the west life formed and how long have they have been together?

Answer: They were formed in 1988, and stayed togheter for 33 years.

Explanation:

Hi, Westlife is an Irish boy band, they were formed in 1988 in Sligo.

Westlife integrants were Shane Filan, Kian Egan, Mark Feehily, Nicky Byrne, and Brian McFadden, but in 2004 Brian Mc Fadden left the band because of family reasons.

The remaining integrants stayed in the band until 2011.

So, with the exception of Brian, Westlife have been together for 33 years, and they announceda a comeback for 2019.