A Review by Melissa Compton Westlife played the final date in Cardiff on their reunion tour – they’ve officially returned to the world of music to a crowd of all ages. Named the ‘Twenty Tour’ and featuring some of their biggest hits and 14 number one tracks, Westlife were supported by breath-taking Keelie Walker and brilliant three-piece The Rua. Before the show began as the arena filled music played and occasional promotional videos were played one of which was a…