Login

Cart

Your cart is empty

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
✔️ AfterPay, ZipPay & LayBuy
✔️ Express delivery from Australia

🔥 TikTok Viral Dresses from $99 in-store

🏆 900+ 5-Star Google Reviews

💎 Registered Dress Guarantee With Every Purchase

📅 Appointments Filling Fast — Book Now for School Holidays

👗 Try-On in Our Gold Coast Showroom Petite, Standard & Curve Sizes

🚚 Express Delivery Available Australia-Wide

💃 School Formal Dresses Brisbane | TikTok Famous Gowns

🇦🇺 Proudly Australian Owned Since 2011

✨ Find The One With Help From Our Expert Stylists at One Honey

Sort by

291 products

Filters

TINA HOLLY COUTURE TE215 mermaid formal dress with lace appliqué and side leg split, Brisbane to Gold Coast, AustraliaTINA HOLLY COUTURE TE215 Purple Lace Applique Mermaid Formal Dress with Side Leg Split, School Formal Gown Brisbane to Gold Coast
Tina Holly Couture TE215 Lace Applique Mermaid Formal Dress Sale priceFrom $669.95 AUD
Color
TINA HOLLY COUTURE TE650 strapless bustier mermaid formal dress with thigh-high slit, elegant evening gown, Brisbane to Gold CoastElegant woman in a vibrant blue strapless gown with high slit, standing poised in a grand doorway. Formal evening dress in Brisbane to Gold Coast.
Tina Holly Couture TE650 Silky Strapless Bustier Mermaid Formal Dress Sale priceFrom $539.95 AUD
Color
USA SIZE XS - MTERI Strapless Corset Mermaid Dress with lace-up back and sleek silhouette, perfect for prom or semi-formal. Brisbane to Gold Coast, Australia.TERI Strapless Corset Mermaid Prom Dress with sleek red fabric, elegant hourglass silhouette. Brisbane to Gold Coast, Australia.
TERI Strapless Corset Mermaid Prom & Semi Formal Dress Sale price$329.95 AUD
Color
USA SIZE 4 - 18GABRIELA Strapless Crystal Corset Mermaid Prom & Formal DressGABRIELA Strapless Crystal Corset Mermaid Prom & Formal Dress
GABRIELA Strapless Crystal Corset Mermaid Prom & Formal Dress Sale priceFrom $479.95 AUD
Color
USA SIZE 0 - 18KHUSHI Beaded Glitter Corset Mermaid Prom Dress with sweetheart neckline and slit, ideal for galas. Brisbane to Gold Coast, AustraliaKHUSHI Glitter Corset Mermaid Prom Dress with sweetheart neckline, shimmer details, Brisbane to Gold Coast, Australia.
KHUSHI Beaded Glitter Corset Mermaid Prom & Formal Dress Sale priceFrom $699.95 AUD
Color
USA SIZE 00 - 16SAMIRA Strapless Sequin Bustier Glitter Satin Prom Dress in vibrant blue with lace-up back, perfect for formal events. Brisbane to Gold Coast.SAMIRA strapless sequin bustier satin prom gown with thigh-high slit. Elegant black evening dress from Brisbane to Gold Coast.
SAMIRA Strapless Sequin Bustier Glitter Satin Prom & Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 00 - 16VARSHA off shoulder satin prom gown featuring a fitted silhouette and thigh-high slit, ideal for elegant evenings, Brisbane to Gold Coast.VARSHA off shoulder satin prom gown with fitted silhouette, blue fabric, showing back view. Perfect for formal occasions. Brisbane to Gold Coast.
VARSHA Off Shoulder Satin Prom & Formal Dress Sale priceFrom $469.95 AUD
Color
USA SIZE 00 - 16ROSEATE Floral Bow Feature A-Line prom dress with bowtie straps and layered chiffon skirt. Brisbane to Gold Coast.ROSEATE Floral Bow A-Line chiffon prom dress with bowtie straps on the beach. Brisbane to Gold Coast, Australia.
ROSEATE Floral Bow Feature A Line Prom & Formal Dress Sale priceFrom $829.95 AUD
Color
USA SIZE 0 - 14KETANA Hand Beaded Fitted Prom & Formal DressKETANA Hand Beaded Fitted Prom & Formal Dress
KETANA Hand Beaded Fitted Prom & Formal Dress Sale priceFrom $1,199.95 AUD
Color
USA SIZE 0 - 12JI Crystal Bodice Tulle Layered A Line Prom & Formal DressJI Crystal Bodice Tulle Layered A Line Prom & Formal Dress
JI Crystal Bodice Tulle Layered A Line Prom & Formal Dress Sale priceFrom $899.95 AUD
Color
USA SIZE 2 - 16AIYANA Strapless Crystal Corset Satin Fitted Prom & Formal DressAIYANA Strapless Crystal Corset Satin Fitted Prom & Formal Dress
AIYANA Strapless Crystal Corset Satin Fitted Prom & Formal Dress Sale priceFrom $589.95 AUD
Color
USA SIZE XS - 2XLJABARI V-neck Cut Out Back Satin mermaid prom gown with lace-up detail, elegant school formal dress. Brisbane to Gold Coast.JABARI V-neck Cut Out Back Satin Mermaid prom gown with spaghetti straps, deep teal color, Brisbane to Gold Coast, Australia.
JABARI V-neck Cut Out Back Satin Mermaid Prom & Formal Dress Sale price$529.95 AUD
Color
USA SIZE XS - 2XLTARAJI Ruched Bodice Satin Slit Prom Gown with Rhinestone Embellishments, perfect for School Formal Brisbane to Gold Coast, Australia.TARAJI Pleated Bodice Thin Straps Silky Prom Dress with rhinestone embellishments, school formal gown. Brisbane to Gold Coast.
TARAJI Pleated Bodice Thin Straps Silky Prom & Formal Dress Sale price$529.95 AUD
Color
USA SIZE XS - 2XLNALA Thin Strap Rhinestone Beaded Prom Gown, emerald glitter bodice, satin front slit, perfect for Brisbane to Gold Coast.NALA Thin Strap Deep V-Neck Rhinestone Beaded prom gown with shimmering rhinestone beading and mermaid silhouette. Brisbane to Gold Coast.
NALA Thin Strap Deep V-Neck Rhinestone Beaded Prom & Formal Dress Sale price$669.95 AUD
Color
USA SIZE XS - 2XLSTYLE DAVU Satin Sweetheart Prom Gown, vibrant blue corset bodice, mermaid silhouette for formal events, Brisbane to Gold CoastSTYLE NAME DAVU Spaghetti Strap Satin Mermaid Prom Gown with Sweetheart Neckline, Brisbane to Gold Coast Australia
DAVU Spaghetti Strap Satin Sweetheart Prom & Formal Dress Sale price$439.95 AUD
Color
USA SIZE XS - 2XLISSA Beaded Satin Halter Neck Prom Gown with V-neck and Side Slit, Brisbane to Gold Coast AustraliaISSA Beaded Satin Halter Neck Fitted Prom & Formal Dress featuring a V-neck halter bodice, satin fabric. Prom gown Brisbane to Gold Coast.
ISSA Beaded Satin Halter Neck Fitted Prom & Formal Dress Sale price$629.95 AUD
Color
USA SIZE XS - 2XLMAKENA Beaded Satin Corset Slit prom gown. Features yellow beaded bodice and satin slit. Brisbane to Gold Coast, Australia.STYLE MAKENA satin corset prom gown with beaded embellishments and a slit, featuring removable off-the-shoulder straps. Brisbane to Gold Coast.
MAKENA Beaded Satin Fitted Corset Slit Prom & Formal Dress Sale price$599.95 AUD
Color
USA SIZE XS - 2XLLYN FITTED SATIN BEADED CORSET blue satin dress with beaded bodice and thigh-high slit, perfect prom gown or formal dress. Brisbane to Gold Coast.LYN FITTED SATIN Blue satin gown with beaded straps, corset back. Prom dress, school formal attire. Brisbane to Gold Coast, Australia.
LYN Fitted Satin Beaded Corset Prom & Formal Dress Sale price$689.95 AUD
Color
USA SIZE 14W - 24WKHALYN Curve Plus Size Prom Gown, light blue satin with plunging V-neck and corset lace-up back. Brisbane to Gold Coast, Australia.KHALYN Curve Plus Size Plunging V-Neck Satin Prom Gown with lace-up back, Brisbane to Gold Coast Australia.
KHALYN Curve Plus Size Plunging V-Neck Satin Prom & Formal Dress Sale price$989.95 AUD
Color
USA SIZE 14W - 24WLUCCI CURVE Plus Size Embroidered V-Neck Prom Gown with Beaded Embellishments, Sleeveless Design. Brisbane to Gold Coast.LUCCI CURVE Plus Size Embroidered V-Neck prom gown with lace-up back, school formal dress. Brisbane to Gold Coast.
LUCCI Curve Plus Size Embroidered V-Neck Prom & Formal Dress Sale price$949.95 AUD
Color
USA SIZE 14W - 24WCERSTEN Curve Plus Size glitter prom gown with sequin embellishments and thigh-high slit, Brisbane to Gold Coast.CERSTEN Curve Plus Size Fitted Glitter w Slit Prom & Formal Dress, red sequin mesh with slit, prom gown, Brisbane to Gold Coast, Australia
CERSTEN Curve Plus Size Fitted Glitter w Slit Prom & Formal Dress Sale price$959.95 AUD
Color
USA SIZE 14W - 24WLYN CURVE Plus Size turquoise satin beaded corset prom gown with thigh-high slit, worn by model. Perfect for formal events. Brisbane to Gold Coast.LYN Curve Plus Size teal satin prom gown with beaded straps, featuring a corset back, flowing from Brisbane to Gold Coast.
LYN Curve Plus Size Fitted Satin Beaded Corset Prom & Formal Dress Sale price$959.95 AUD
Color
USA SIZE 14W - 24WJALYN Curve Plus Size Fitted Satin Corset Prom & Formal Dress; pink beaded corset, satin slit prom gown; Brisbane to Gold CoastSTYLE NAME JALYN Curve Plus Size blue beaded satin corset prom gown, featuring thin straps, back view. Brisbane to Gold Coast, Australia.
JALYN Curve Plus Size Fitted Satin Corset Prom & Formal Dress Sale price$989.95 AUD
Color
USA SIZE 0 - 14CONNA Lace & Rhinestone Mini Party DressCONNA Lace & Rhinestone Mini Party Dress
CONNA Lace & Rhinestone Mini Party Dress Sale priceFrom $359.95 AUD
Color
USA SIZE 0 - 14CONNA Lace & Rhinestone Fitted Mermaid Prom & Formal DressCONNA Lace & Rhinestone Fitted Mermaid Prom & Formal Dress
CONNA Lace & Rhinestone Fitted Mermaid Prom & Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 0 - 12PRISCILLA Mini Strapless Velvet Crystal Corset Mini Party DressPRISCILLA Mini Strapless Velvet Crystal Corset Mini Party Dress
PRISCILLA Mini Strapless Velvet Crystal Corset Mini Party Dress Sale priceFrom $359.95 AUD
Color
USA SIZE 2 - 14JUNIA One Shoulder Shawl Feature Fitted Prom & Formal DressJUNIA One Shoulder Shawl Feature Fitted Prom & Formal Dress
JUNIA One Shoulder Shawl Feature Fitted Prom & Formal Dress Sale priceFrom $549.95 AUD
Color
USA SIZE 2 - 14SIDONIE Flower Beaded Applique Trumpet Mermaid Prom & Formal DressSIDONIE Flower Beaded Applique Trumpet Mermaid Prom & Formal Dress
SIDONIE Flower Beaded Applique Trumpet Mermaid Prom & Formal Dress Sale priceFrom $859.95 AUD
Color
USA SIZE 4 - 16BRYONY Sequin Embellished Bustier Fitted Prom & Formal DressBRYONY Sequin Embellished Bustier Fitted Prom & Formal Dress
BRYONY Sequin Embellished Bustier Fitted Prom & Formal Dress Sale price$989.95 AUD
Color
USA SIZE 0 - 12ROSETTE Strapless Velvet Fitted Prom & Formal DressROSETTE Strapless Velvet Fitted Prom & Formal Dress
ROSETTE Strapless Velvet Fitted Prom & Formal Dress Sale priceFrom $499.95 AUD
Color
USA SIZE 2 - 16PRISCILLA Strapless Velvet Crystal Corset Prom & Formal DressPRISCILLA Strapless Velvet Crystal Corset Prom & Formal Dress
PRISCILLA Strapless Velvet Crystal Corset Prom & Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 00 - 16MAREN Beaded Tulle Mermaid Prom Dress, featuring intricate beadwork and lace-up back, Brisbane to Gold Coast.MAREN Beaded Couture Tulle Mermaid Prom Dress with a thigh-high slit and intricate blue beadwork, perfect for a formal event. Brisbane to Gold Coast
MAREN Beaded Couture Tulle Mermaid Prom & Formal Dress Sale priceFrom $899.95 AUD
Color
USA SIZE 00 - 16KAIA Off Shoulder Satin Mermaid Prom Dress with Pleated Straps and Boned Waistline, Brisbane to Gold Coast, Australia.KAIA Corset Off Shoulder pink satin mermaid prom gown with sweetheart neckline, Brisbane to Gold Coast, Australia
KAIA Corset Off Shoulder Satin Mermaid Prom & Formal Dress Sale priceFrom $529.95 AUD
Color
USA SIZE 00 - 16CHYKA Crystal Beaded Satin Mermaid Prom & Formal Dress with sweetheart neckline and beaded boned waist, evening gown Brisbane to Gold CoastCHYKA elegant satin mermaid prom dress with crystal beaded corset, showcasing a stunning blue hue. Brisbane to Gold Coast, Australia.
CHYKA Crystal Beaded Satin Mermaid Prom & Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 00 - 16RYKA sheer lace corset satin mermaid prom dress with beaded bodice and thigh-high slit, evening gown, Brisbane to Gold CoastRYKA Sheer Lace Corset Satin Mermaid Prom Dress with beaded applique bodice by the beach. Brisbane to Gold Coast.
RYKA Sheer Lace Corset Satin Mermaid Prom & Formal Dress Sale priceFrom $599.95 AUD
Color
USA SIZE 0 - 18OLENA green lace bodice prom dress, satin shimmer skirt with thigh slit, worn by model. Brisbane to Gold Coast, Australia.Red satin prom dress with lace bodice and thigh-high slit, evening gown worn by model, elegant attire suitable for formal events.
OLENA Strapless Lace Bustier Corset Shimmer Glitter Fitted Prom Dress Sale priceFrom $659.95 AUD
Color
USA SIZE 0 - 18DARYNA Crystal Bustier satin prom dress with sweetheart neckline and embellished bodice. Evening gown. Brisbane to Gold Coast, Australia.DARYNA crystal bustier satin prom gown with sweetheart neckline, side slit, Brisbane to Gold Coast Australia.
DARYNA Crystal Bustier Corset Satin Fitted Prom & Formal Dress Sale priceFrom $659.95 AUD
Color
USA SIZE XS - 3XLMADE TO ORDERONLINE EXCLUSIVEARACELY Off Shoulder Corset Beaded quinceañera dress with floral tulle skirt. Stunning lavender ball gown. Brisbane to Gold Coast.ARACELY off-shoulder lavender quinceañera gown with beaded details and voluminous tulle skirt. Brisbane to Gold Coast, Australia.
ARACELY Off Shoulder Corset Beaded Quinceañera Ball Gown Dress Sale price$1,459.95 AUD
Color
USA SIZE XS - MMAEVE Low Back Lace Up Bum Scrunch prom dress with minimalist square neckline and thin straps, Brisbane to Gold Coast.MAEVE Low Back Lace Up Bum Scrunch Prom Dress with square neckline, thin straps, in sky blue. Ideal for formal occasions. Brisbane to Gold Coast.
MAEVE Low Back Lace Up Bum Scrunch Prom & Formal Dress Sale price$399.95 AUD
Color
USA SIZE 0 - 16DENNISA Strapless satin prom dress with beaded bustier and side slit, perfect for formal events. Brisbane to Gold Coast.DENNISA strapless beaded bustier satin prom dress, showcasing a shimmering scoop neckline. Perfect for prom. Brisbane to Gold Coast
DENNISA Strapless Beaded Bustier Satin Fitted Prom & Formal Dress Sale priceFrom $829.95 AUD
Color
USA SIZE 0 - 14MEISHA Strapless Rhinestone Bustier Mermaid Prom Dress with satin slit, Brisbane to Gold Coast, Australia.MEISHA strapless rhinestone bustier prom gown with satin slit, in vibrant red. Glamorous evening wear from Brisbane to Gold Coast, Australia.
MEISHA Strapless Rhinestone Bustier Mermaid Prom & Formal Dress Sale priceFrom $469.95 AUD
Color
USA SIZE 0 - 18AUBRIELLE Off Shoulder Boned Corset Fitted Evening Gown with sweetheart neckline, crystal beading, Brisbane to Gold Coast, Australia.AUBRIELLE Off Shoulder Boned Corset Fitted Prom Dress with lace-up back, vibrant red color, prom gown. Brisbane to Gold Coast.
AUBRIELLE Off Shoulder Boned Corset Fitted Prom & Formal Dress Sale priceFrom $529.95 AUD
Color
CURVE SIZEUSA SIZE 18 - 24ZORA Curve red mermaid prom gown with halter sweetheart neckline and leg slit, ideal for special occasions. Brisbane to Gold CoastZORA Stretch Satin Mermaid Dress with Halterneck and Sweetheart Neckline for Prom, Brisbane to Gold Coast, Australia.
ZORA Curve Halterneck Stretch Satin Mermaid Prom & Formal Dress Sale price$499.95 AUD
Color
CURVE SIZEUSA SIZE 18 - 24VISIT OUR GOLD COAST STORE TO TRY ONKAILA Curve Off Shoulder Bridesmaid Dress with sweetheart neckline and chic leg slit, Brisbane to Gold Coast, Australia.KAILA off-shoulder silky bridesmaid dress with sweetheart neckline and pleated waist. Semi formal gown. Brisbane to Gold Coast.
KAILA Curve Off Shoulder Silky Bridesmaid Semi Formal Dress Sale price$679.95 AUD
Color
USA SIZE 0 - 18VISIT OUR GOLD COAST STORE TO TRY ONALANI Embellished lace bodice mermaid prom dress with satin skirt, ideal for formal events. Brisbane to Gold Coast.ALANI Embellished lace bodice fitted mermaid prom dress with satin skirt, Brisbane to Gold Coast, Australia.
ALANI Embellished Lace Bodice Fitted Mermaid Prom & Formal Dress Sale priceFrom $829.95 AUD
Color
USA SIZE 0 - 18RAELYNN lace applique bodice mermaid prom dress with sweetheart neckline and sheer bodice, Brisbane to Gold CoastRAELYNN lace applique blue mermaid prom gown with strappy back, Brisbane to Gold Coast
RAELYNN Lace Applique Bodice Mermaid Prom & Formal Dress Sale priceFrom $759.95 AUD
Color
USA SIZE 00 - 16JOËLLE Stretch Satin Fitted Ruched Mermaid Prom Dress with spaghetti straps, sleek silhouette in a formal setting. Brisbane to Gold Coast.JOËLLE Stretch Satin Fitted Ruched Mermaid Dress with spaghetti straps and subtle slit, elegant prom gown. Brisbane to Gold Coast.
JOËLLE Stretch Satin Fitted Ruched Mermaid Prom & Formal Dress Sale priceFrom $549.95 AUD
Color
USA SIZE XS - 3XLAZIA Glitter & Lace Mesh Feature Mermaid Prom & Formal DressAZIA Glitter & Lace Mesh Feature Mermaid Prom & Formal Dress
AZIA Glitter & Lace Mesh Feature Mermaid Prom & Formal Dress Sale price$599.95 AUD
Color

Need help?

Frequently Asked Questions

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.

💸 Shop Sale Gowns from $99

🏬 Visit our Gold Coast Showroom

📲 Try our Virtual Try-On App

Still unsure? Contact Us — our friendly team is here to help you shine ✨