X Factor finalist Harry Styles of One Direction arrives at rehearsals London, England - 28.10.10 Stock Photo - Alamy

X factor finalists niall horan hi-res stock photography and images - Alamy

X factor contestants harry styles hi-res stock photography and images - Alamy

Niall horan direction factor finalists hi-res stock photography and images - Alamy

Harry Styles of One Direction 'The X Factor' finalists arriving at the studio London, England - 03.12.10 Stock Photo - Alamy

X Factor finalist Harry Styles of One Direction arriving at the gym. London, England - 17.11.10 Stock Photo - Alamy

X factor finalist hi-res stock photography and images - Page 15 - Alamy

Harry Styles of One Direction, leaving the studio after the 'X Factor' results show. London, England - 24.10.10 Stock Photo - Alamy

X Factor finalist Harry Styles from boy band One Direction leaving a recording studio late at night. London, England - 15.11.10 Stock Photo - Alamy

One direction x factor hi-res stock photography and images - Page 12 - Alamy

Factor finalists louis tomlinson niall hi-res stock photography and images - Alamy

X Factor finalist Niall Horan of One Direction leaves the Dorchester hotel London, England - 11.11.10 Stock Photo - Alamy

Liam payne one direction factor hi-res stock photography and images - Alamy

Harry Styles of One Direction with fans X Factor finalists arriving at rehearsals London, England - 29.11.10 Stock Photo - Alamy

X Factor finalist Harry Styles from boy band One Direction. Very.co.uk Catwalk show, held at the Bloomsbury Ballroom. London Stock Photo - Alamy