Step into the night with the KSP400. This royal blue chiffon mermaid dress is designed for the woman who seeks a statuesque silhouette with a touch of modern allure. Featuring a brilliant jeweled neckline and a breathtaking open back, it’s a masterclass in evening sophistication.
Design Highlights:
High Illusion Jeweled Neckline: Intricate beading and crystals are set upon sheer mesh, creating a luxurious "floating jewelry" effect that frames the face with radiant light.
Breathtaking Open Back: A daring yet elegant cut-out design that balances the modest high-neck front, ensuring you look stunning from every angle.
Fluid Chiffon Mermaid Flare: The skirt is crafted from premium, lightweight chiffon that hugs your curves before flowing into a graceful, liquid-like mermaid tail.
Regal Royal Blue Hue: A timeless and commanding color that exudes confidence and complements all skin tones beautifully.
Fashion Expert Tips: To honor the intricate high neck, keep your hair in an elegant updo or a high ponytail. Skip the necklace and pair this gown with sparkling stud earrings and a bold cocktail ring. The open back is the star of the show, so ensure a flawless finish with a backless bra or the built-in support provided. Complete the look with silver metallic heels.
The HappyProm UK Advantage:
Custom Made for You: We offer free professional bespoke sizing to ensure the illusion neckline and open back fit securely and comfortably to your exact proportions.
Superior Craftsmanship: Fully lined for a smooth feel and featuring a built-in bra for maximum support, allowing you to move and dance with total ease.
Tracked UK Shipping: Your royal blue masterpiece is securely packaged and tracked to ensure it arrives in pristine condition for your special occasion.
Built-in bra, fully lined
Waist: Natural Waistline
Hemline/Train: Long/ Full Length
Sleeve: Cap Sleeves
Season: Spring,Summer,Autumn and Winter
Shop the Look:

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![]() light sky blue |
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![]() african violet |
![]() american beauty |
![]() aubergine |
![]() black |
![]() blue jay |
![]() brown |
![]() cobalt |
![]() coral pink |
![]() dark green |
![]() dark navy |
![]() diamond blue |
![]() flame |
![]() golden |
![]() golden sand |
![]() hot pink |
![]() hunter green |
![]() ivory |
![]() light sky blue |
![]() moss |
![]() navy blue |
![]() orange |
![]() palomino |
![]() pink |
![]() platinum |
![]() purple |
![]() rose |
![]() sage |
![]() seafoam |
![]() white |
![]() wine |
.jpg)
![]() african violet |
![]() american beauty |
![]() aubergine |
![]() black |
![]() blue jay |
![]() brown |
![]() cobalt |
![]() coral pink |
![]() dark green |
![]() dark navy |
![]() diamond blue |
![]() flame |
![]() golden |
![]() golden sand |
![]() hot pink |
![]() hunter green |
![]() ivory |
![]() light sky blue |
![]() moss |
![]() navy blue |
![]() orange |
![]() palomino |
![]() pink |
![]() platinum |
![]() purple |
![]() rose |
![]() sage |
![]() seafoam |
![]() white |
![]() wine |
.jpg)
![]() african violet |
![]() american beauty |
![]() aubergine |
![]() black |
![]() blue jay |
![]() brown |
![]() cobalt |
![]() coral pink |
![]() dark green |
![]() dark navy |
![]() diamond blue |
![]() flame |
![]() golden |
![]() golden sand |
![]() hot pink |
![]() hunter green |
![]() ivory |
![]() light sky blue |
![]() moss |
![]() navy blue |
![]() orange |
![]() palomino |
![]() pink |
![]() platinum |
![]() purple |
![]() rose |
![]() sage |
![]() seafoam |
![]() white |
![]() wine |
| Size | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | ||||||||
| inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | |
| Bust | 32½ | 83 | 33 ½ | 85 | 34 ½ | 88 | 35 ½ | 90 | 36 ½ | 93 | 38 | 97 | 39 ½ | 100 | 41 | 104 |
| Waist | 25 ½ | 65 | 26 ½ | 67 | 27 ½ | 70 | 28 ½ | 72 | 29 ½ | 75 | 31 | 79 | 32 ½ | 83 | 34 | 86 |
| Hips | 35 ½ | 91 | 36 ½ | 93 | 37 ½ | 96 | 38 ½ | 98 | 39 ½ | 101 | 41 ½ | 105 | 42 ½ | 109 | 44 ½ | 112 |
| Hollow to Floor | 58 | 147 | 58 | 147 | 59 | 150 | 59 | 150 | 60 | 152 | 60 | 152 | 61 | 155 | 61 | 155 |
| Size | 16W | 18W | 20W | 22W | 24W | 26W | ||||||
| inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | inch | cm | |
| Bust | 43 | 109 | 45 | 114 | 47 | 119 | 49 | 124 | 51 | 130 | 53 | 135 |
| Waist | 36 ½ | 92 | 38 ½ | 98 | 40 ½ | 104 | 43 | 109 | 45 ½ | 115 | 47 ½ | 121 |
| Hips | 45 ½ | 116 | 47 ½ | 121 | 49 ½ | 126 | 51 ½ | 131 | 53 ½ | 136 | 55 ½ | 141 |
| Hollow to Floor | 61 | 155 | 61 | 155 | 61 | 155 | 61 | 155 | 61 | 155 | 61 | 155 |
Ordering a perfect dress from Happyprom.co.uk starts with accurate body measurements. Measure yourself is a difficult work, so we strongly recommend to ask for help from your BFF, family or the professional tailor. Here we will show you how to have your measurement taken correctly for a best fitting dress:
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