Feehily has also co-written songs, some with the other band members.
Feehily has sung completely solo on songs for the band in some instances: During live performances, he also sang completely solo for the songs "Oh Holy Night", "Imaginary Diva", "Talk Me Down", "Before It's Too Late", and Boy George's "Il Adore".
He has also co-written songs, some with the other band members.
Feehily is banned from the Mondrian Hotel in Los Angeles following an incident during which he got drunk and threw some items from a window of the hotel.
He rose to fame as one of the three lead singers of the boy band Westlife.He shared lead vocals with Shane Filan and Brian Mc Fadden.Before Westlife, Feehily, Filan and Kian Egan were members of the band IOYOU, which released the single "Together Girl Forever".Louis Walsh, the manager of Boyzone, was contacted by Filan's mother and came to know about the group.
The group was established on 3 July 1998 with the addition of two more members, Nicky Byrne and Mc Fadden.Boyzone singer Ronan Keating was brought in to co-manage the group with Walsh.