Aint No Mountain
Westlife (X Factor Final 2008), Alexandra Burke(X Factor Final 2009) and Lemar(JLS are singing a song with him this year 2010)
JLS, it's their song
Westlife
i don't know do u i think it is Como la Flor
They sang with Westlife on The X Factor.
HEro With The X-Factor Finalists Beat Again was Their First Number 1
JLS sang No Air by Chris Brown and Jordin Sparks
JLS
Jls sang the Way you Make me feel by Micheal Jackson in week 2.
JLS are a band, who have recently sang with Tinee Tempah, in the song Eyes Wide Shut. Hope this helps!
Beat again
If i ever, not sure who sings it though. Hope this helps :)