Jessie J ditches the catsuits for glam lace-front gown on X Factor

28/11/2011 11:39 | Updated 28 January 2012

Jessie J made her big X Factor debut as a guest performer during last night's results show - ditching her usual preference for colour-clashing catsuits and skimpy leotards, in favour of a striking floor-sweeping gown.

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