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Cobalt Blue Prom Dresses Australia | One Honey Boutique

Cobalt Blue Formal Dresses Australia — If you’re ready to make a bold, unforgettable entrance, our collection of cobalt blue formal gowns delivers all the drama and shine. At One Honey Boutique, we offer a premium selection of cobalt prom and formal dresses in sizes 2–26, available in luxe fabrics like satin, glitter knit, and tulle.

These electric blue gowns feature corset bodices, lace-up backs, high slits, and curve-enhancing mermaid silhouettes — perfect for Year 12 formals, school balls, and red carpet events.

Shop online with AfterPay, ZipPay, and LayBuy, or visit our Gold Coast showroom for a private fitting. Can’t visit? Use our Virtual Try-On Tool and get it shipped express Australia-wide.

Need more shades of blue?
Blue Formal Dresses
Royal Blue Gowns
Navy Blue Dresses

✔️ Sizes 2–26
✔️ Statement-making electric tones
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLDISCONTINUED FINAL SIZES AVAILABLEMARILYN Ruched Waist Sequin Gown with Lace-Up Back and Leg Split, perfect for evening events. Brisbane to Gold Coast.MARILYN Sequin Ruched Waist Prom Gown with Leg Split, glamorous lace-up back. Perfect for formal events. Brisbane to Gold Coast.
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IN STOCKDISCONTINUEDSALESave 30%CELESTE Diamante Strap Sequin Lace Up Formal DressCELESTE Diamante Strap Sequin Lace Up Formal Dress
CELESTE Diamante Strap Sequin Lace Up Formal Dress Sale priceFrom $440.95 AUD Regular price$629.95 AUD
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USA SIZE 2 - 12VISIT OUR GOLD COAST STORE TO TRY ONElegant blue glitter gown with a sweetheart neckline and thigh-high slit, perfect for formal events. Available from Brisbane to Gold Coast.Alt Tag: Glittering emerald ball gown with spaghetti straps and thigh-high slit, perfect for formal occasions. Brisbane to Gold Coast, Australia.
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USA SIZE 18 - 24CURVE SIZEDREYA Curve Corset Glitter Ball Gown with pleated cowl neckline, perfect for a school formal. Brisbane to Gold Coast, Australia.DREYA Curve Corset Glitter Ball Gown with pleated neckline and slit, school formal dress, Brisbane to Gold Coast, Australia.
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IN STOCKDISCONTINUEDSALESave 20%AMINA One Shoulder Glitter Tulle Mermaid Formal DressAMINA One Shoulder Glitter Tulle Mermaid Formal Dress
AMINA One Shoulder Glitter Tulle Mermaid Formal Dress Sale priceFrom $601.95 AUD Regular price$859.95 AUD
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USA SIZE 2 - 12VISIT OUR GOLD COAST STORE TO TRY ONDAYA Glitter Corset Bustier Mermaid Formal Gown DressDAYA Glitter Corset Bustier Mermaid Formal Gown Dress
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AUS SIZE XS - XXLVISIT OUR GOLD COAST STORE TO TRY ONSold outRunaway The Label KEALORA Bridesmaids Semi Formal Maxi Dress with halter neck and diamond-shaped silhouette, evening gown. Brisbane to Gold Coast.RUNAWAY THE LABEL KEALORA bridesmaid dress with halter neck and open back, semi-formal maxi style, Brisbane to Gold Coast, Australia.
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USA SIZE XXS - 3XLDISCONTINUED LAST SIZES AVAILABLESHARYN Strapless Silky Corset Bustier Strapless Mermaid Formal DressSHARYN Strapless Silky Corset Bustier Strapless Mermaid Formal Dress
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VIRAL ON TIKTOK 5.5MILLION VIEWSIN STOCKDISCONTINUED FINAL SIZES AVAILABLESALESave 20%Honey Couture QUINN Off White Satin Lace Up Formal Dress with leg split and mermaid train, perfect for prom or evening events by Australian Designer.Honey Couture QUINN Satin Corset Mermaid Lace Up School Formal Dress
Honey Couture QUINN Satin Corset Mermaid Lace Up School Formal Dress Sale priceFrom $455.95 AUD Regular price$569.95 AUD
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USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLESold outHoney Couture MYORA Embellished Bustier Satin Mermaid Formal DressHoney Couture MYORA Embellished Bustier Satin Mermaid Formal Dress
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLESALEOn saleDOJA Satin Diamanté Detail Corset Bustier Formal Dress with crystal beaded corset and thigh-high slit. Brisbane to Gold Coast Australia.DOJA Satin Diamanté Detail Corset Bustier Formal Dress
DOJA Satin Diamanté Detail Corset Bustier Formal Dress Sale priceFrom $439.95 AUD Regular price$549.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLECAROLE Glitter Corset School Formal Dress with Blue Sequin Accents, perfect for gala events, Brisbane to Gold Coast, Australia.CAROLE Glitter Corset Mermaid School Formal Dress with sequin lace, perfect for prom or gala. Brisbane to Gold Coast, Australia.
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USA SIZE 2 - 16VISIT OUR GOLD COAST STORE TO TRY ONRAFAELLA Crystal Diamante Bustier with lace-up back, silky mermaid dress, formal evening gown. Brisbane to Gold Coast.RAFAELLA Crystal Diamante Bustier Corset with lace-up back in silky mermaid design, evening gown. Brisbane to Gold Coast.
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USA SIZE 00 - 16VISIT OUR GOLD COAST STORE TO TRY ONDONATELLA Bustier Corset Satin Mermaid Formal Dress with lace-up back and draped cowl neckline, evening gown. Brisbane to Gold Coast.DONATELLA Bustier Corset Lace Up Back Satin Mermaid Formal Dress with cowl neckline and spaghetti straps. Evening gown, Brisbane to Gold Coast.
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USA SIZE 4 - 14VISIT OUR GOLD COAST STORE TO TRY ONMILLIE Sequin Corset Mermaid Formal Gown with floral sequin motif and lace-up corset back, evening dress Brisbane to Gold Coast.MILLIE Sequin Corset Mermaid Gown with plunging neckline and thigh slit, evening dress, Brisbane to Gold Coast, Australia.
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USA SIZE 2 - 14RISTA green stretch satin glitter gown with v-neckline and gathered bust, formal mermaid dress, Brisbane to Gold Coast.RISTA Stretch Shimmer Glitter Satin Mermaid Formal Dress featuring gathered bust cups, evening gown elegance. Brisbane to Gold Coast.
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USA SIZE XS - 3XLXENA Silky A-Line Dress with Thigh Slit, Cowl Neckline, Prom Gown, Brisbane to Gold Coast.XENA silky tie-up A-line formal dress with adjustable spaghetti straps and a thigh-high slit, perfect for formal events, Brisbane to Gold Coast.
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - LDISCONTINUED FINAL SIZES AVAILABLESKY Glitter Bum Scrunch low back evening gown with shimmering satin fabric, perfect for Brisbane to Gold Coast.SKY Glitter Bum Scrunch Low Back Mermaid Formal Dress with stretch satin and glitter finish, evening gown. Brisbane to Gold Coast.
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USA SIZE 00 - 16VISIT OUR GOLD COAST STORE TO TRY ONKALERA shiny strapless corset prom dress with leg split, elegant evening gown. Brisbane to Gold Coast, Australia.KALERA strapless shiny corset prom dress with leg split, lace-up back. Elegant evening gown. Perfect for Brisbane to Gold Coast.
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USA SIZE 00 - 16VISIT OUR GOLD COAST STORE TO TRY ONVALERA Strapless Shiny Corset Prom Dress, lace-up back evening gown. Perfect for events from Brisbane to Gold Coast, Australia.VALERA Strapless Shiny Corset Prom Dress with Lace Up Back, Sweetheart Neckline. Perfect for Brisbane to Gold Coast, Australia.
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ONLINE EXCLUSIVEUSA SIZE 00 - 16SHANNON satin slit prom gown with embroidered applique and one-shoulder design, perfect for Brisbane to Gold Coast events.Back view of a champagne satin formal gown with lace-up detailing worn by a smiling woman. Elegant setting with a rustic wooden door.
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ONLINE EXCLUSIVEUSA SIZE 00 - 16RENATA Mermaid Formal Dress with open back and criss-cross straps. Perfect for proms and formals. Brisbane to Gold Coast.RENATA Lace Bodice Mermaid Formal Dress with Open Back and Slit, perfect for proms or balls, Brisbane to Gold Coast.
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USA SIZE 0 - 16HELANI green lace leg split mermaid prom gown with illusion bodice. Perfect for school formals, Brisbane to Gold Coast.HELANI Mermaid Prom Dress with lace bodice and leg split, perfect for formal events. Elegantly styled from Brisbane to Gold Coast, Australia.
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USA SIZE 0 - 14NIVIA Sheer Mesh Corset Halter Neck Meridian School Formal Prom Dress, featuring a deep V-neck and thigh-high slit. Brisbane to Gold Coast.NIVIA sheer mesh corset mermaid prom dress with halter neck, deep V-back, styled for a captivating look. Brisbane to Gold Coast.
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16Satin formal dress with sparkling corset and thigh-high slit, perfect for evening events. Brisbane to Gold Coast.STERLING Embellished Corset Satin Mermaid Formal Dress with lace bodice and satin skirt, evening gown Brisbane to Gold Coast.
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEODESSA Embellished Glitter Satin Mermaid Formal Dress with beaded lace bodice and thigh-high slit, Brisbane to Gold Coast, Australia.ODESSA Embellished Glitter Satin Mermaid Formal Dress with beaded lace corset and side slit. Perfect evening gown from Brisbane to Gold Coast.
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16ALIX Strapless Satin Diamanté corset dress with pleated bustier, formal evening gown with slit. Brisbane to Gold Coast.ALIX Strapless Satin Diamanté Detail Corset Bustier Formal Dress with pleated satin cups and thigh-high slit. Evening gown. Brisbane to Gold Coast.
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USA SIZE 2 - 16Sold outElegant woman in Honey Couture NATASHA black off-shoulder tulle ball gown, an affordable Australian designer evening dress for prom or formal events.Model wearing Honey Couture NATASHA Off Shoulder Layered Tulle Ball Gown, a sparkly evening dress by Australian Designer
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USA SIZE 0 - 14VISIT OUR GOLD COAST STORE TO TRY ONALLERA Strapless Boned Corset Lace Up Back Prom & Formal DressALLERA Strapless Boned Corset Lace Up Back Prom & Formal Dress
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USA SIZE 4 - 16ARABELLA V Front A-line shimmer glitter dress with satin slit, perfect for prom and formal events. Brisbane to Gold Coast, Australia.ARABELLA V glitter prom dress with deep V-neckline and wide waistband, sleek leg slit style. From Brisbane to Gold Coast, Australia.
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USA SIZE 2 - 16MYSTIQUE silver beaded strapless mermaid dress with sheer bodice, perfect for evening elegance. Brisbane to Gold Coast, Australia.MYSTIQUE silver mermaid dress with beaded bodice and sweetheart neckline, perfect for evening glamour. Brisbane to Gold Coast.
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ONLINE EXCLUSIVEUSA SIZE 2 - 16Sold outELLIANA Trumpet Mermaid Feather Feature Prom & Formal Evening DressELLIANA Trumpet Mermaid Feather Feature Prom & Formal Evening Dress
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ONLINE EXCLUSIVEUSA SIZE 2 - 16Sold outPRETORIA Beaded Couture Feather Mermaid Prom & Formal DressPRETORIA Beaded Couture Feather Mermaid Prom & Formal Dress
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ONLINE EXCLUSIVECURVE SIZEUSA SIZE 18 - 24Sold outPlus size Pretoria beaded mermaid prom dress with feathers, featuring curve-hugging design in vibrant blue.Plus size model in PRETORIA Curve Beaded Couture Feather Mermaid Prom Dress with bead embellishments and faux goose feathers, back view.
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - XLPRESLEY Beaded Bustier Satin Leg Slit Mermaid Prom & Formal DressPRESLEY Beaded Bustier Satin Leg Slit Mermaid Prom & Formal Dress
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - XLMILLICENT Corset Deep V Front Sequin & Glitter Leg Split Mermaid Prom DressMILLICENT Corset Deep V Front Sequin & Glitter Leg Split Mermaid Prom Dress
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREALICE metallic two-piece set with V-neckline and full sleeves. Plus Size, Curve Size evening gown. Brisbane to Gold Coast, Australia.ALICE Metallic Jersey Plus Size two-piece set with open back and waist tie, elegant evening gown for Curve Size. Brisbane to Gold Coast.
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CURVE SIZESAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREAMBER Plus Size formal dress with ruched bodice and thigh-high split. Curve Size evening gown, Brisbane to Gold Coast.AMBER Metallic Jersey Formal Dress with Ruched Details, Plus Size Curve, Evening Gown, Brisbane to Gold Coast Australia
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREASHLEY metallic jersey formal dress with wide V-neckline and ruched skirt, Plus Size, Curve Size, Brisbane to Gold Coast, Australia.ASHLEY metallic jersey curve plus size evening gown with wide V-neckline and ruched skirt, perfect for Brisbane to Gold Coast events.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREBELLE plus size formal dress with V-neck and full skirt, curve size elegance, perfect for special occasions. Brisbane to Gold Coast.BELLE Plus Size yellow formal dress with illusion V-neck and off-shoulder style, perfect for curve size from Brisbane to Gold Coast.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STORECHELSEA formal dress with plunging neckline and ruched skirt, Plus Size. Perfect for special occasions. Available Brisbane to Gold Coast, Australia.Alt Tag: Once Labeled CHELSEA plus size formal dress with long sleeves and illusion neckline. Perfect for special occasions. Brisbane to Gold Coast, Australia.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREGEMMA scuba dress with thigh-high slit, stunning V-neckline, plus size evening gown. Curve Size. Brisbane to Gold Coast, Australia.GEMMA red scuba dress with open criss-cross back straps and flowing skirt, perfect for formal occasions. Plus Size Curve. Brisbane to Gold Coast.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREAlt Tag: HAYLEY metallic jersey dress with chic tapered straps and thigh-high split, plus size evening gown. Brisbane to Gold Coast.Alt Tag: HAYLEY metallic jersey curve dress with tapered straps and thigh-high split, evening gown for plus size. Brisbane to Gold Coast.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREHAYLEY black scuba school formal dress with thigh-high slit. Modern plus size gown with curved neckline, Brisbane to Gold Coast.HAYLEY school formal dress with curved neckline, structured bodice, plus size, curve size, from Brisbane to Gold Coast, Australia.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREISSY Metallic Jersey Dress with cowl neckline, Curve Size school formal gown featuring a thigh-high slit. Plus Size. Brisbane to Gold Coast.ISSY Metallic Jersey Dress featuring a cowl neckline and a thigh-high slit, perfect for a school formal gown. Plus Size, Brisbane to Gold Coast.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STOREKAT Scuba Curve & Plus Size formal dress with adjustable lace-up back and thigh-high slit, perfect for events from Brisbane to Gold Coast.KAT Curve & Plus Size Formal Dress with lace-up back and thigh-high slit, ideal for every occasion. Available from Brisbane to Gold Coast.
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CURVE SIZEAUS SIZE 16 - 30CHOOSE YOUR COLOURTRY ON IN STORERYLEY Metallic Jersey curve size formal dress with deep V-neck and flared hem, perfect for special occasions. Plus Size, Brisbane to Gold Coast.RYLEY Metallic Jersey Dress with back crisscross straps, curve size formal attire. Perfect for special occasions. Brisbane to Gold Coast.
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USA SIZE 4 - 16BELLE elegant purple mermaid dress with hidden corset and tie shoulder straps, prom gown style. Brisbane to Gold Coast, Australia.BELLE Mermaid Bridesmaid Dress with hidden corset and tie shoulder straps, elegant side slit; perfect for prom. Brisbane to Gold Coast.
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VISIT OUR GOLD COAST STORE TO TRY ONOVER 16 MILLION VIEWS ON TIKTOKUSA SIZE 0 - 16Alt Tag: JUANITA Strapless rhinestone corset prom gown with shimmer and slit, perfect for evenings from Brisbane to Gold Coast.
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VIRAL ON TIKTOK 5.5MILLION VIEWSIN STOCKDISCONTINUED FINAL SIZES AVAILABLESALESave 20%Honey Couture QUINN Off White Satin Lace Up Formal Dress with leg split and mermaid train, perfect for prom or evening events by Australian Designer.Honey Couture QUINN Satin Corset Mermaid Lace Up School Formal Dress
Honey Couture QUINN Satin Corset Mermaid Lace Up School Formal Dress Sale priceFrom $455.95 AUD Regular price$569.95 AUD
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SELECTED SIZES ON SALEFINAL RELEASE FOR 2025On saleGIGI Corset Sparkle Bustier Strapless Mermaid Formal Gown with satin slit, perfect prom dress. Brisbane to Gold Coast.GIGI Strapless Satin Black Corset Prom Gown featuring a pleated neckline and high slit. Perfect for a formal event. Brisbane to Gold Coast.
GIGI Corset Sparkle Bustier Strapless Mermaid Formal Gown Dress Sale priceFrom $499.95 AUD Regular price$629.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONOVER 16 MILLION VIEWS ON TIKTOKUSA SIZE 0 - 16Alt Tag: JUANITA Strapless rhinestone corset prom gown with shimmer and slit, perfect for evenings from Brisbane to Gold Coast.
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VIRAL ON TIKTOK 5.5MILLION VIEWSIN STOCKDISCONTINUED FINAL SIZES AVAILABLESALESave 20%Honey Couture QUINN Off White Satin Lace Up Formal Dress with leg split and mermaid train, perfect for prom or evening events by Australian Designer.Honey Couture QUINN Satin Corset Mermaid Lace Up School Formal Dress
Honey Couture QUINN Satin Corset Mermaid Lace Up School Formal Dress Sale priceFrom $455.95 AUD Regular price$569.95 AUD
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SELECTED SIZES ON SALEFINAL RELEASE FOR 2025On saleGIGI Corset Sparkle Bustier Strapless Mermaid Formal Gown with satin slit, perfect prom dress. Brisbane to Gold Coast.GIGI Strapless Satin Black Corset Prom Gown featuring a pleated neckline and high slit. Perfect for a formal event. Brisbane to Gold Coast.
GIGI Corset Sparkle Bustier Strapless Mermaid Formal Gown Dress Sale priceFrom $499.95 AUD Regular price$629.95 AUD
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Cobalt Blue Formal Dresses Australia

Need help with your order or planning ahead for formal season? Browse our Help Centre for answers about sizing, shipping, returns, and our Dress Registration policy.

📅 New to formal shopping? Read our How to Order Your Formal Dress guide for timelines, made-to-order info, and tips to avoid last-minute stress.

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