'X Factor' contestants looking more glam than ever on biggest outing yet

GALLERIES

'X Factor' contestants looking more glam than ever on biggest outing yet

One night of magic was all the X Factor contestants needed to don their glad-rags and hit the red carpet.

Attending the premiere of Harry Potter and the Deathly Hallows: Part One in London, Cher Lloyd, Katie Waissel and Rebecca Ferguson proved they can hold their own in the style stakes with top celebrity fashionistas.