17
They auditioned for The X Factor in London.
16th August
The year they auditioned - 2008.
JLS is an acronym of Jack the Lad Swing. JLS auditioned for the fifth series of the X Factor in 2008.
17 :)
JLS invented themselves. They were friends who wanted to sing professionally and so formed the band. They then auditioned for X factor 2008 (UK) and came second to Alexandra Burke
14
They went on x factor in 2008 and came second to Alexandra Burke.
He was 16 when he auditioned for X Factor! xx
20, 22 and 23
Niall Horan was 16 years old when he auditioned for X-Factor.
Niall Horan auditioned at the X-Factor UK auditions in Dublin, Ireland.