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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
✔️ AfterPay, ZipPay & LayBuy
✔️ Express delivery from Australia

🔥 TikTok Viral Dresses from $99 in-store

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👗 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

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ONLINE EXCLUSIVEPS23138 Cobalt Sequin Strapless Bodycon Mini Dress with hidden cups in a formal setting from Brisbane to Gold Coast, Australia.
Portia & Scarlett PS23138 Cobalt Sequin Strapless Bustier Bodycon Mini Dress Sale priceFrom $519.95 AUD
Color
ONLINE EXCLUSIVEPORTIA & SCARLETT PS23001 Cobalt sequin strapless mini dress with feather hem, perfect for formal occasions, Brisbane to Gold Coast.
Portia & Scarlett PS23001 Cobalt Sequin Strapless Feather Detail Mini Dress Sale priceFrom $915.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 18PORTIA & SCARLETT PS22531 dazzling cobalt sequin mermaid gown with a thigh-high slit, perfect for formal occasions. Brisbane to Gold Coast.
Portia & Scarlett PS22531 Cobalt Glitter Sequin Mermaid Bustier Formal Gown Sale priceFrom $1,299.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21228 cobalt sequin lace formal gown with feathered train and high leg slit, evening gown, Brisbane to Gold CoastPORTIA & SCARLETT PS21228 Cobalt Sequin Lace Gown with feathered train and high leg slit, ideal for formal events. Brisbane to Gold Coast.
Portia & Scarlett PS21228 Cobalt Sequin Lace Fitted Formal Gown Sale priceFrom $1,049.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE 0 - 24PORTIA & SCARLETT PS21208 Cobalt strapless sequin mermaid gown, evening dress with high stretch, Brisbane to Gold Coast.PS21208 Cobalt Strapless Sequin Mermaid Formal Gown with iridescent sequins, ideal for special occasions, Brisbane to Gold Coast, Australia.
Portia & Scarlett PS21208 Cobalt Strapless Sequin Mermaid Formal Gown Sale priceFrom $629.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TE920 Royal Blue Strapless Satin Formal Dress, Brisbane to Gold Coast, Australia
Tina Holly Couture TE920 Royal Blue Strapless Ballgown Formal Dress Sale priceFrom $659.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW023 Royal Blue Off Shoulder Ruffle Sleeve Formal Dress Brisbane to Gold Coast
Tina Holly Couture TW023 Royal Blue Off Shoulder A Line Formal Dress Sale priceFrom $819.95 AUD
Color
AUS SIZE 2 - 24TW025 Royal Blue Glitter Formal Dress with V Front and Over Skirt, perfect for school formals, from Brisbane to Gold Coast, Australia.TINA HOLLY COUTURE TW025 royal blue dress with glitter overlay and v-neck, school formal dress Brisbane to Gold Coast Australia.
Tina Holly Couture Designer TW025 Royal Blue Glitter Formal Dress w Over Skirt Sale priceFrom $819.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TK099 Royal Blue Sequin Off Shoulder Formal Dress with Sweet-Heart Neckline, Brisbane to Gold Coast, AustraliaTINA HOLLY COUTURE TK099 Royal blue sequin off-shoulder formal dress with leg slit, ideal for school formal, Brisbane to Gold Coast, Australia.
Tina Holly Couture TK099 Royal Blue Sequin Sweet-Heart Neckline Off Shoulder Formal Dress Sale priceFrom $719.95 AUD
Color
USA SIZE 4 - 18Sold outHoney Couture POLLY Royal Blue Glitter Shimmer Strapless Ballgown Formal DressHoney Couture POLLY Royal Blue Glitter Strapless Ballgown by Australian Designer, perfect for prom and evening events, affordable elegance.
Honey Couture POLLY Royal Blue Glitter Shimmer Strapless Ballgown Formal Dress Sale priceFrom $799.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW024 royal blue glitter corset formal dress, mermaid style, Off Shoulder Ruffle Sleeve, Brisbane to Gold CoastTINA HOLLY COUTURE TW024 glitter lace mermaid formal dress, royal blue, off-shoulder, Brisbane to Gold Coast, Australia
Tina Holly Couture TW024 Royal Blue Corset Lace Glitter Mermaid Formal Dress Sale priceFrom $739.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TH122 Royal blue silky gown with leg split, school formal dress, Brisbane to Gold CoastTINA HOLLY COUTURE TH122 silky royal blue gown with thin straps and leg slit, perfect formal dress Brisbane to Gold Coast Australia
Tina Holly Couture Designer TH122 Royal Blue Silky Formal Gown Sale priceFrom $475.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE TW004 royal blue formal gown with lace-up back and leg split, perfect for school formals, Brisbane to Gold Coast, Australia.TINA HOLLY COUTURE TW004 Royal Blue satin school formal dress with lace-up back, Brisbane to Gold Coast, Australia
Tina Holly Couture Designer TW004 Royal Blue Lace Up Back Silky Satin Formal Gown Sale priceFrom $645.95 AUD
Color
AUS SIZE 2 - 24Alt Tag: TE001 Royal Blue satin dress with lace-up back, flowing train, formal school gown. Brisbane to Gold Coast, Australia.TE001 Royal Blue Satin Lace Up Prom Gown with Leg Split, Brisbane to Gold Coast, Australia
Tina Holly Couture TE001 Royal Blue Satin Lace Up Back Formal Dress Sale priceFrom $439.95 AUD
Color
USA SIZE 2 - 16Sold outHoney Couture KATY formal dress in royal blue, featuring a princess skirt and off-shoulder design. Perfect for prom or evening events.
Honey Couture KATY Made To Order Formal Dress Sale price$749.99 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BA651 Royal Blue Strapless Mermaid Satin School Formal Dress Brisbane to Gold CoastTINA HOLLY COUTURE BA651 Royal Blue Strapless Satin Mermaid Dress, perfect for school formal, Brisbane to Gold Coast, Australia
Tina Holly Couture Designer BA651 Royal Blue Satin Strapless Mermaid Formal Dress Sale priceFrom $475.95 AUD
Color
AUS SIZE 2 - 24TINA HOLLY COUTURE BA269 Royal Blue Satin Formal Dress, V-neckline, evening gown. Brisbane to Gold Coast, Australia.TINA HOLLY COUTURE BA269 royal blue satin formal dress, elegant back design, prom gown Brisbane to Gold Coast
Tina Holly Couture Designer BA269 Royal Blue Satin Formal Dress Sale priceFrom $495.95 AUD
Color

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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.

💸 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 ✨