Abi Alton's Topshop 2 Tone Pinky Rose Gold & Bronze Bonded Metallic Shimmer Effect Sleeveless Structured Full Skirt Skater Dress With Cut Away Scuba Panel Neckline

You can view Abi in her gorgeous & party perfect metallic rose gold dress here.

You can buy Abi's dress here from the Topshop website.

For the other girls' outfits on The X Factor please check the The X Factor label.

Item image via Topshop.