Sam Faiers' Ariella Couture Scarlet Black Strapless Sweetheart Neckline Satin Mermaid Hem Gown With Double Layered Ruffle Detail To Hem & Corset Detail To Back

You can view Sam in her elegant strapless gown here.

You can't buy Sam's gown as unfortunately it is past season and so is no longer available but you can hire it here from the Girl Meets Dress website.

I have blogged about Sam's gown before, when Tulisa wore it back in October 2012, and you can view that post here.

Item image via Girl Meets Dress.

Nicole Scherzinger's Julien Macdonald Bespoke Custom Made Sheer All Over Metallic Gold Hand Cut Sequin Confetti Inspired Embellished Sleeveless Halterneck Mermaid Hem Gown With Faux Plunge Front

You can view Nicole in her show stopping bespoke sequin dress above.

You can't buy Nicole's dress online but you can find contact detail regarding bespoke orders here.

Item image via @thenicolescherzinger on Instagram.

Nicole Scherzinger's Michael Costello Black Origami Oversized Structured Fold Peplum Detail Asymmetric Strapless Textured Crocodile Snakeskin Effect Tailored Gown With Fishtail Mermaid Hem

You can view Nicole in her stunning origami detail gown above.

You can't buy Nicole's dress online but you can find contact details regarding ordering it here on the Michael Costello Facebook page.

Item image via Michael Costello on Facebook & @thenicolescherzinger on Instagram.

Nicole Scherzinger's Michael Costello Summer Bright Pastel Yellow Sleeveless Minimalistic Cut Away Detail Full Length Fishtail Mermaid Hem Maxi Dress With Ruffle Detail To Low Back

You can view Nicole in her beautiful & dramatic yellow gown above.

You can buy Nicole's gown direct from Michael Costello and can find contact details regarding ordering it here.

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

Item image via Michael Costello.

Hannah Barrett's The Pretty Dress Company Custom Made Black, Midnight Blue & Multicoloured Iridescent All Over Sequin Embellished Long Sleeve Bodycon Mermaid Hem Gown With Cut Out Detail To Bust, Fringed Sleeves & Black Jersey Panels To Waist

You can view Hannah in her amazing custom made sequin gown here.

You can't buy Hannah's gown online as it was made just for here but you can view The Pretty Dress Company's range of sequin dress here.

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

Item image via HPR London.

Jessica Wright's Honor Gold Sacha White Grecian Inspired Halterneck Backless Jersey Maxi Dress With Metallic Gold Lurex Trim Detail & Mermaid Hem

You can view Jessica in her simple white & gold backless maxi dress here.

You can't buy Jessica's dress yet as it is part of the upcoming High Summer collection but you can keep up to date with Honor Gold here on Twitter.

For the other girls' dresses in the photos linked above please check the National Television Awards label.

Item images via Honor Gold, item shown in black for illustration purposes only.

Nicole Scherzinger's Stéphane Rolland Couture Bespoke Black Strapless Mermaid Gown With Metallic Gold T-Bar Plate To Front, Structured Hem & Train Detail

You can view Nicole in her gorgeous statement bespoke mermaid gown here.

You can't buy Nicole's gown as it was made especially for her but you can view the rest of Stéphane's beautiful collections here.

Item image via @britishvogue.

Nicole Scherzinger's Abed Mahfouz Ready To Wear Fall/Winter 2012-2012 Black Floral Lace & Sheer Draped Mesh Asymmetric Mermaid Evening Gown

You can view Nicole in her stunning sheer draped mesh & floral lace gown here.

You can't buy Nicole's dress online but you can view contact details of stockists here.

Item image via Abed Mahfouz.

Millie Mackintosh's Rachel Gilbert Grace Black Strapless Silk Georgette Sweetheart Neckline Mermaid Gown With Feathered Bead Embellished Sheer Tulle Skirt

You can view Millie in her gorgeous silk georgette & embellished tulle gown here.

You can buy Millie's gown here from the Rachel Gilbert website.

Item image via Rachel Gilbert.

Tulisa Contostavlos' Ariella Couture Scarlet Black Strapless Sweetheart Neckline Satin Mermaid Gown With Double Layer Ruffled Hem & Corset Back Detail

You can view Tulisa in her beautiful & dramatic layered hem detail gown here.

You can't buy Tulisa's gown at the moment but you can view it here at the Ariella Couture website where it will be available soon.

Item image via Ariella Couture.