Abi Alton's Chi Chi Melissa Cobalt Navy Blue Pearl, Bead & Diamante Criss Cross Hatch Pattern Embellished Sleeveless High Neck Chiffon Skater Dress With Full Skirt & Open Back

You can view Abi in her pretty & feminine embellished party dress here.

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

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

Item image via Chi Chi.