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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?
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✔️ Sizes 2–26
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USA SIZE XS - LDISCONTINUED FINAL SIZES AVAILABLEVISIT OUR GOLD COAST STORE TO TRY ONKIA low back sequin prom dress with blue shimmering overlay and elegant V-neckline. Perfect for formal events, Brisbane to Gold Coast.KIA black sequin low back dress with crisscross straps, perfect prom or formal gown, Brisbane to Gold Coast, Australia
KIA Low Back V Front Sequin Prom & Formal Dress Sale price$299.95 AUD
Color
Sold outMÉLANI The Label CELINA Bum Ruched Backless DressMÉLANI The Label CELINA Bum Ruched Backless Dress
MÉLANI The Label CELINA Bum Ruched Backless Dress Sale price$189.95 AUD
Color
ONLINE EXCLUSIVEAUS SIZE XS - XLSold outMÉLANI The Label AMALI Cowl Neck Chiffon Backless DressMÉLANI The Label AMALI Cowl Neck Chiffon Backless Dress
MÉLANI The Label AMALI Cowl Neck Chiffon Backless Dress Sale price$189.00 AUD
Color
ONLINE EXCLUSIVEAUS SIZE XS - XLSold outMÉLANI The Label VIKTORIA Strapless Chiffon Backless DressMÉLANI The Label VIKTORIA Strapless Chiffon Backless Dress
MÉLANI The Label VIKTORIA Strapless Chiffon Backless Dress Sale price$189.00 AUD
Color
ONLINE EXCLUSIVEAUS SIZE XS - XLSold outMÉLANI The Label LOPEZ Cowl Neck Chiffon Backless DressMÉLANI The Label LOPEZ Cowl Neck Chiffon Backless Dress
MÉLANI The Label LOPEZ Cowl Neck Chiffon Backless Dress Sale price$199.95 AUD
Color
ONLINE EXCLUSIVEAUS SIZE XS - XLSold outMÉLANI The Label VENICE SET Two-Piece SetMÉLANI The Label VENICE SET Two-Piece Set
MÉLANI The Label VENICE SET Two-Piece Set Sale price$189.00 AUD
Color
ONLINE EXCLUSIVEAUS SIZE XS - XLSold outMÉLANI The Label ELENA Backless Fitted DressMÉLANI The Label ELENA Backless Fitted Dress
MÉLANI The Label ELENA Backless Fitted Dress Sale price$169.00 AUD
Color
ONLINE EXCLUSIVEAUS SIZE XS - XLSold outMÉLANI The Label NATALI Backless DressMÉLANI The Label NATALI Backless Dress
MÉLANI The Label NATALI Backless Dress Sale price$189.00 AUD
Color
ONLINE EXCLUSIVEAUS SIZE XS - XLSold outMÉLANI The Label SABIA Ruched Bum Backless DressMÉLANI The Label SABIA Ruched Bum Backless Dress
MÉLANI The Label SABIA Ruched Bum Backless Dress Sale price$159.00 AUD
Color
USA SIZE S - 5XLMILICA off shoulder evening gown with sequin detailing, fit-and-flare silhouette. Perfect for Mother of Bride. Brisbane to Gold Coast, AustraliaMILICA Off Shoulder Mother of Bride Evening Dress with glitter overlay, fit-and-flare silhouette, evening gown from Brisbane to Gold Coast
MILICA Off Shoulder Mother of Bride Evening Dress Sale priceFrom $459.95 AUD
Color
USA SIZE 2 - 14DISCONTNUED FINAL SIZES AVAILABLEKOJA Royal Blue Rhinestone Mesh Corset Mermaid Formal Gown with dazzling sheer bodice, evening gown. Brisbane to Gold Coast, Australia.KOJA Royal Blue Rhinestone Mesh Corset Mermaid Formal Gown with slit, Brisbane to Gold Coast
KOJA Royal Blue Rhinestone Mesh Corset Mermaid Formal Gown Dress Sale priceFrom $799.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%THEA Off The Shoulder Glitter Ball Gown with lace detailing, perfect as a formal dress. Radiant style from Brisbane to Gold Coast.THEA Off The Shoulder Glitter Ball Gown with intricate lace bodice; formal dress for evening events in Brisbane to Gold Coast, Australia.
THEA Off The Shoulder Glitter Ball Gown Formal Dress Sale priceFrom $559.95 AUD Regular price$799.95 AUD
Color
USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLELARRISA Glitter 3D flower applique off-the-shoulder mermaid dress with sheer corset and thigh-high slit, evening gown, Brisbane to Gold Coast.Alt Tag: LARRISA Glitter 3D floral applique off the shoulder mermaid gown with sheer boned corset, perfect for evening events, Brisbane to Gold Coast.
LARRISA Glitter 3D Flower Applique Off the Shoulder Mermaid Formal Dress Sale priceFrom $799.95 AUD
Color
USA SIZE 00 - 16Two women wearing elegant tulle party dresses with intricate lace detailing, perfect for formal occasions, posed indoors, Brisbane to Gold Coast.CHERRY Diamanté Beaded Strap Tulle Frilly Party Dress with a tulle skirt and beaded straps, perfect for special occasions. Brisbane to Gold Coast
CHERRY Diamanté Beaded Strap Tulle Frilly Party Dress Sale priceFrom $295.95 AUD
Color
USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGCAM Glitter Tea Length Ball Gown Corset Midi Dress with glittered bodice and tulle skirt, Brisbane to Gold Coast.CAM Glitter Tea Length Ball Gown Corset Midi Dress with glittered bodice and lace-up back, perfect for formal events, Brisbane to Gold Coast.
CAM Glitter Tea Length Ball Gown Corset Midi Dress Sale priceFrom $459.95 AUD
Color
USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGCALLIE Lace Bustier Formal Dress with sweetheart neckline and lace bodice, sleeveless evening gown. Brisbane to Gold Coast, Australia.CALLIE Lace Bustier Corset Style Formal Dress with lace bodice and sweetheart neckline, ideal for evening events. Brisbane to Gold Coast.
CALLIE Lace Bustier Corset Style Formal Dress Sale price$569.95 AUD
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IN STOCKDISCONTINUEDSALEOn saleBLAKE royal blue sequin strapless corset bustier mermaid formal dress with slit evening gown. Brisbane to Gold Coast, Australia.BLAKE Royal blue sequin strapless mermaid evening gown with corset back, Brisbane to Gold Coast, Australia.
BLAKE Royal Sequin Strapless Corset Bustier Mermaid Formal Dress Sale priceFrom $440.95 AUD Regular price$629.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 4XLSALESave 50%ALLEGRA off-the-shoulder sequin dress with ruched detailing, evening gown. Brisbane to Gold Coast.ALLEGRA off-the-shoulder sequin gown with ruched detailing. Figure-hugging formal dress with elegant slit. Brisbane to Gold Coast.
ALLEGRA Off The Shoulder Sequin Lace Up Formal Dress Sale priceFrom $314.98 AUD Regular price$629.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 30%Honey Couture KARLIE Diamante Open Up Mermaid Formal DressHoney Couture KARLIE Diamante Open Up Mermaid Formal Dress
Honey Couture KARLIE Diamante Open Up Mermaid Formal Dress Sale priceFrom $510.95 AUD Regular price$729.95 AUD
Color
USA SIZE XS - XLHESTA Sequin Off Shoulder Bustier Midi Dress featuring a sparkling sequined design and elegant draped sleeves. Evening gown. Brisbane to Gold Coast.HESTA Sequin Off Shoulder Bustier Midi Dress with cowl neckline and ruched hips. Evening gown, perfect from Brisbane to Gold Coast.
HESTA Sequin Off Shoulder Bustier Midi Dress Sale priceFrom $249.95 AUD
Color
USA SIZE 4 - 14DISCONTINUED FINAL SIZES AVAILABLEERIKA Glitter Corset Back Prom Gown with Neon Green and Pink Satin, featuring a chic leg slit. Brisbane to Gold Coast, AustraliaERIKA neon shimmer corset back prom gown with glitter fitted satin and leg slit. Perfect for turning heads from Brisbane to Gold Coast.
ERIKA Neon Glitter Shimmer Corset Back Formal Dress Sale price$459.95 AUD
Color
USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGCOVE Diamante Bustier Ruched Dress with sparkling bodice and draped skirt, perfect for prom or formal, Brisbane to Gold Coast.Two women modeling evening gowns; one in a black sequin slit dress, the other in a blue satin draped gown. Brisbane to Gold Coast.
COVE Diamante Bustier Ruched Prom & Formal Dress Sale price$569.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 50%ARIANA Shimmer Off Shoulder Ballgown with sweetheart neckline and glitter organza fabric. Formal dress, Brisbane to Gold Coast.ARIANA shimmer off-shoulder formal ballgown with fitted bodice and full skirt, blue metallic finish, Brisbane to Gold Coast, Australia.
ARIANA Shimmer Off Shoulder Ballgown Formal Dress Sale priceFrom $399.95 AUD Regular price$799.95 AUD
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USA SIZE XS - XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGSold outHoney Couture ADRIANNA Sequin One Shoulder Mermaid Formal DressHoney Couture ADRIANNA Sequin One Shoulder Mermaid Formal Dress
Honey Couture ADRIANNA Sequin One Shoulder Mermaid Formal Dress Sale priceFrom $469.95 AUD
Color
USA SIZE 2 - 14Sold outWoman wearing a blue tulle evening gown with a high slit, showcasing elegance and style, perfect for prom or formal events.Woman wearing a Honey Couture PANDORA Tulle Bustier Ball Gown, an elegant royal blue formal dress by an Australian designer, perfect for proms.
Honey Couture PANDORA Tulle Bustier Ball Gown Formal Dress Sale price$709.95 AUD
Color
USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGCHRISTINA off shoulder formal dress with glitter satin and leg slit, evening gown with gloves, Brisbane to Gold CoastCHRISTINA Off Shoulder Glitter Shimmer Formal Dress in red with a thigh-high slit and ruched waist, Brisbane to Gold Coast, Australia.
CHRISTINA Off Shoulder Glitter Shimmer Formal Dress w Gloves Sale priceFrom $569.95 AUD
Color
USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLELIZZO Strapless Velvet Mermaid Dress, vibrant blue with corset bodice and detachable gloves, formal gown. Brisbane to Gold Coast.LIZZO Velvet Mermaid Formal Dress with jewel tones and detachable gloves, perfect for an evening gown. Brisbane to Gold Coast.
LIZZO Strapless Velvet Mermaid Formal Dress with Gloves Sale priceFrom $569.95 AUD
Color
USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEBALENCI-USSY Mermaid Formal Dress with asymmetrical gathered bodice and long gloves. Perfect evening gown, Brisbane to Gold Coast.Model in a vibrant blue mermaid formal dress with asymmetrical gathered bodice and leg slit, standing by a city window. Brisbane to Gold Coast.
BALENCI-USSY Mermaid Formal Dress w Gloves Sale priceFrom $569.95 AUD
Color
USA SIZE 2 - 16Alt Tag: KAILA off-shoulder silky bridesmaid dress with sweetheart neckline and pleated waist, semi-formal gown Brisbane to Gold Coast Australia.KAILA off-shoulder silky bridesmaid dress with sweetheart neckline and leg slit, semi-formal evening attire. Brisbane to Gold Coast.
KAILA Off Shoulder Silky Bridesmaid Semi Formal Dress Sale price$479.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 30%AMARA satin diamanté off-the-shoulder formal dress with hot stone bust and criss-cross waistband, evening gown Brisbane to Gold Coast.AMARA Satin Diamanté Detail Off The Shoulder Formal Dress with embellished bust and satin slit skirt, evening gown. Brisbane to Gold Coast.
AMARA Satin Diamanté Detail Off The Shoulder Formal Dress Sale priceFrom $370.95 AUD Regular price$529.95 AUD
Color
USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGDELIA Silky Bustier Corset Gowns with lace-up back, satin mermaid style, perfect for prom or weddings. Brisbane to Gold CoastDELIA Silky Bustier Gown with sheer corset back, perfect as a mermaid evening gown. Ideal for events from Brisbane to Gold Coast.
DELIA Silky Bustier Corset Mermaid Formal Gown Dress Sale priceFrom $479.95 AUD
Color
USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGDEVINA Sequin Low Back Corset Dress showcasing a glittering sequin fabric with a flattering silhouette, perfect for evening wear. Brisbane to Gold Coast, Australia.DEVINA Sequin Low Back Corset Dress with lace-up design, perfect evening gown for Brisbane to Gold Coast, Australia.
DEVINA Sequin Low Back Corset Lace Up Formal Dress Sale price$729.95 AUD
Color
USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEMISTELLA Shimmer Glitter Low Back Corset Mermaid Formal Gown with slit evening dress, Brisbane to Gold Coast, Australia.MISTELLA Shimmer Glitter Low Back Corset Mermaid Gown, featuring a stunning lace-up back. Perfect for formal events from Brisbane to Gold Coast.
MISTELLA Shimmer Glitter Low Back Corset Feature Mermaid Formal Gown Sale priceFrom $569.95 AUD
Color
USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLETARA Silky Ruched Bodice Mermaid Formal Gown with sweetheart neckline and high leg slit. Elegant evening gown, Brisbane to Gold Coast.TARA Silky Ruched Mermaid Gown with Sweetheart Neckline and Side Slit. Elegant formal gown perfect for special occasions. Brisbane to Gold Coast
TARA Silky Ruched Bodice Mermaid Formal Gown Sale priceFrom $549.95 AUD
Color
USA SIZE 2 - 20DISCONTINUED FINAL SIZES AVAILABLESleek blue formal gown with sparkling straps and a side slit, ideal for evening occasions. Elegant interior setting. Brisbane to Gold Coast.Woman in a red ruched gown with a thigh-high slit and rhinestone straps, showcasing an elegant evening look against a white wall.
INDRA Beaded Bustier Corset Ruched Formal Gown Dress Sale priceFrom $569.95 AUD
Color
USA SIZE 2 - 14DISCONTINUED FINAL SIZES AVAILABLEJESIKA Glitter Strapless Mermaid Dress with ruched bodice and thigh-high slit, evening gown, Brisbane to Gold Coast.JESIKA Glitter Strapless Mermaid Dress with ruched bodice and side slit, evening gown style. Brisbane to Gold Coast, Australia.
JESIKA Glitter Strapless Mermaid Dress with Gloves Sale priceFrom $569.95 AUD
Color
IN STOCKDISCONTINUEDSALEOn saleROSALIA Silky A-Line prom gown with deep V-neck and leg slit, Brisbane to Gold Coast, Australia.ROSALIA Silky A-Line prom dress with pleated bust and leg slit, evening gown Brisbane to Gold Coast, Australia
ROSALIA Silky A Line Formal & Prom Dress Sale priceFrom $384.95 AUD Regular price$549.95 AUD
Color
USA SIZE XS - LELODIE low back satin mermaid prom gown with lace-up detail, Brisbane to Gold CoastELODIE Silky Lace Up Low Back Dress with deep neckline and leg slit, ideal for prom or homecoming. Brisbane to Gold Coast, Australia.
ELODIE Silky Lace Up Low Back Semi Formal Dress Sale price$429.95 AUD
Color
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 6 - 24Save 50%HARPER Shimmer Glitter Off The Shoulder gown with glitter corset and elegant slit, evening gown style, Brisbane to Gold Coast.HARPER Off-the-Shoulder Glitter Corset Evening Gown with elegant blue shimmer. Perfect for formal events from Brisbane to Gold Coast.
HARPER Shimmer Glitter Off The Shoulder Corset Formal Gown Sale priceFrom $249.98 AUD Regular price$499.95 AUD
Black
USA SIZE S - 2XLSTELLA Shimmer Glitter Fabric Mermaid Semi Formal Dress with gathered waist and leg slit. Evening gown Brisbane to Gold Coast.STELLA Shimmer Glitter Fabric Mermaid Semi Formal Dress with satin slit, perfect for proms or special events. Brisbane to Gold Coast.
STELLA Shimmer Glitter Fabric Mermaid Semi Formal Dress Sale price$429.95 AUD
Color
USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLECAMPBELL Sequin Strapless Evening Gown with sweetheart neckline and fitted silhouette. Perfect for formal events from Brisbane to Gold Coast.CAMPBELL sequin strapless corset evening gown with a lace-up back, mermaid fit. Perfect for formal events from Brisbane to Gold Coast.
CAMPBELL Sequin Strapless Corset Mermaid Evening Gown Dress Sale priceFrom $599.95 AUD
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USA SIZE XS - 4XLSOVIA off shoulder beaded corset mermaid prom gown with sweetheart neckline on red carpet, Brisbane to Gold Coast, Australia.SOVIA off shoulder beaded corset mermaid prom dress with sequins and sheer bodice, Brisbane to Gold Coast, Australia.
SOVIA Off Shoulder Beaded Corset Mermaid Prom & Formal Dress Sale priceFrom $799.95 AUD
Color
USA SIZE 2 - 12DISCONTINUED FINAL SIZES AVAILABLESold outDREAM Sequin Glitter Fishtail Mermaid Formal Dress with lace-up back, tulle skirt. Perfect for proms or events. Brisbane to Gold Coast.DREAM Sequin Glitter Fishtail Mermaid Formal Dress with floral appliques and deep V-neck, perfect evening gown. Brisbane to Gold Coast.
DREAM Sequin Glitter Fishtail Mermaid Formal Dress Sale priceFrom $799.95 AUD
Color
USA SIZE XS - 2XLVISIT OUR GOLD COAST STORE TO TRY ONALICIA Glitter Dusted Fitted Stretch Satin Prom Gown with sweetheart neckline, sheer side cutouts, Brisbane to Gold CoastALICIA Glitter Dusted green prom gown with sweetheart neckline and sheer cutouts. Elegant and fitted. Brisbane to Gold Coast.
ALICIA Glitter Dusted Fitted Stretch Satin Prom & Formal Gown Sale priceFrom $659.95 AUD
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USA SIZE 2 - 18VISIT OUR GOLD COAST STORE TO TRY ONTYLA Satin & Lace strapless fitted prom gown with lace bodice and satin slit, elegant formal wear. Brisbane to Gold Coast.TYLA Strapless Fitted Prom Dress with lace bodice and satin skirt. Perfect for upscale events. Brisbane to Gold Coast, Australia.
TYLA Satin & Lace Strapless Fitted Prom & Formal Dress Sale priceFrom $829.95 AUD
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IN STOCKDISCONTINUEDSALESave 40%CARMERON Glitter Ball Gown with Lace Up Corset and Shimmering Fabric, Formal Dress Brisbane to Gold Coast, Australia.CARMERON Glitter Ball Gown with Corset Lace Up, featuring a flattering open neckline. Perfect formal dress from Brisbane to Gold Coast.
CARMERON Glitter Ball Gown Corset Lace Up Formal Dress Sale priceFrom $479.95 AUD Regular price$799.95 AUD
Color
USA SIZE 2 - 16DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGELENI Beaded Bust Silky Mermaid Prom & Formal Dress with rhinestone straps and a thigh-high slit, evening gown, Brisbane to Gold CoastELENI Satin Mermaid Prom Dress with Beaded Bust and Slit. Formal gown perfect for special events. Brisbane to Gold Coast.
ELENI Beaded Bust Silky Mermaid Prom & Formal Dress Sale priceFrom $669.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%ROMANA Strapless Satin Corset Dress with Diamanté Detail, featuring a sleek slit, perfect for formal events. Brisbane to Gold Coast.ROMANA Strapless Satin Diamanté Detail Corset Bustier Formal Dress with sheer boned corset and hot stone embellishments. Brisbane to Gold Coast Australia.
ROMANA Strapless Satin Diamanté Detail Corset Bustier Formal Dress Sale priceFrom $419.95 AUD Regular price$599.95 AUD
Color

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Cobalt Blue Formal Dresses Australia

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