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Plus Size Formal Dresses Australia – Curve Gowns & Evening Dresses

Shop plus size formal dresses in Australia — discover an extensive collection of curve formal gowns, plus size evening dresses and prom styles for unforgettable occasions.

Explore statement formalwear in sizes extending to selected USA 18–24, including fitted gowns, corset styles, A-lines, mermaid silhouettes and glamorous ball gowns.

From sleek satin and stretch fabrics to sparkling sequins, crystals and structured bodices, discover plus size formal dresses designed for school formals, prom, balls, galas, weddings and special events.

Explore Plus Size Formal Dresses

Searching for plus size formal dresses in Australia? One Honey Boutique brings together an extensive edit of plus size formal gowns, curve dresses and plus size evening wear from leading Australian and international designers.

Our collection includes styles across selected extended sizing up to USA 18–24, with individual size availability varying by designer and gown. Explore elegant A-lines, fitted silhouettes, structured corset gowns, mermaid dresses and dramatic ball gowns for milestone occasions.

Discover plus size formal dresses featuring satin, stretch fabrics, sequins, crystals, beading, corsetry and statement embellishments, alongside sleek minimalist gowns and classic evening silhouettes.

Shopping for plus size formals or school formal? Explore dresses designed for Year 10, Year 11 and Year 12 formal events, graduation celebrations and other milestone occasions, with options ranging from elegant fitted gowns to sparkling statement looks.

Looking for plus size prom dresses? Discover glamorous formal gowns and ball gowns suited to prom, school formal and major evening events, including classic silhouettes and statement designs made for an unforgettable entrance.

For black-tie events, galas and evening occasions, our plus size evening dresses include sophisticated gowns in sleek satin, structured fabrics, sparkling finishes and dramatic floor-length silhouettes.

Prefer the term curve formal dresses? One Honey's curve collection is part of this same extended-size formalwear edit, bringing together statement gowns and evening dresses across a wider range of sizes without creating a separate competing collection.

Choosing the right formal gown starts with fit rather than the number on the label. Formalwear sizing can vary significantly between designers, so always compare your measurements with the individual product size guide before selecting your gown.

Corset dresses are particularly popular across our curve formal collection. Structured bodices and adjustable lace-up backs can provide flexibility and support, while fitted stretch styles, flowing A-lines and ball gowns offer different silhouettes depending on the look you love.

Want to shop in person? A selection of our plus size and curve formal dresses is available to try at our Gold Coast showroom. Showroom availability varies by style, colour and size, so check availability before planning your fitting.

Explore our complete formal dresses Australia collection for even more designer gowns, or browse our prom dresses for statement formalwear across our wider range.

Complete your formal look with our formal jewellery, clutch bags and formal accessories.

One Honey ships throughout Australia, including Brisbane, Sydney, Melbourne, Adelaide, Perth, Canberra, Gold Coast and regional destinations, with worldwide delivery also available.

Proudly Australian owned since 2011 with over 1,000+ 5-star reviews, One Honey Boutique is a trusted destination for designer formalwear, including an extensive range of plus size and curve formal dresses.

Need help choosing your size, checking availability or ordering for a specific event date? Visit our Help Centre for sizing, shipping and ordering guidance.

Shop with flexible payment options including AfterPay & Zip.

Find your plus size formal dress at One Honey Boutique — curve gowns, evening dresses and statement formalwear for your biggest occasions.

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IN STOCKDISCONTINUEDSALEOn saleHoney Couture ORINA Diamante V Front Leg Split Formal Dress in Australia | One Honey Boutique
Honey Couture ORINA Diamante V Front Leg Split Formal Dress Sale priceFrom $510.95 AUD Regular price$729.95 AUD
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 4 - 20SASHA Ruched Bust, Silky Satin Corset Bustier Leg Split Formal Dress in Australia | One Honey Boutique
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AUS SIZE 6 - 16DISCONTINUED FINAL SIZES AVAILABLEHoney Couture CANDICE Silky Low Back Mermaid Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEAUS SIZE 6 - 16Sold outSave 83%Honey Couture MOULIN Sequin Corset Formal Dress in Australia | One Honey Boutique
Honey Couture MOULIN Sequin Corset Formal Dress Sale priceFrom $99.00 AUD Regular price$569.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%COCO Sash Front Low Back Bum Scrunch Mermaid Formal Gown in Australia | One Honey Boutique
COCO Sash Front Low Back Bum Scrunch Mermaid Formal Gown Sale priceFrom $440.95 AUD Regular price$629.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLDISCONTINUED FINAL SIZES AVAILABLEMARILYN Ruched Waist Hidden Corset Leg Split Sequin Formal Gown in Australia | One Honey Boutique
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USA SIZE 2 - 20DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGHOLLIE A Line Glitter Effect Formal Dress in Australia | One Honey Boutique
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AUS SIZE 6 - 18DISCONTINUED LAST SIZES AVAILABLEHoney Couture YASMIN V Front Sequin Formal Evening Gown in Australia | One Honey Boutique
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AUS SIZE 6 - 18DISCONTINUED LAST SIZES AVAILABLEZOE Sequin Corset Back Mermaid Formal Evening Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 3XLSave 78%Honey Couture MILEE Low Back Mermaid Evening Gown Dress with Leg Split in Australia | One Honey Boutique
Honey Couture MILEE Low Back Mermaid Evening Gown Dress with Leg Split Sale priceFrom $99.00 AUD Regular price$449.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 18 - 26CURVE SIZECECE Curve Satin Off The Shoulder Corset Bustier Bridesmaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALEOn saleHoney Couture DIAMONDS Sequin Mermaid Formal Gown Dress in Australia | One Honey Boutique
Honey Couture DIAMONDS Sequin Mermaid Formal Gown Dress Sale priceFrom $693.00 AUD Regular price$990.00 AUD
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USA SIZE 2 - 20ELEANOR Satin Strapless Pointed Bust Strapless Silky Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 18 - 24CURVE SIZEDREYA Curve Corset Glitter Ball Gown School Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUED FINAL SIZES AVAILABLESALESave 30%ISABELLA Sequin Glitter Trumpet Mermaid Formal Gown Dress in Australia | One Honey Boutique
ISABELLA Sequin Glitter Trumpet Mermaid Formal Gown Dress Sale priceFrom $489.95 AUD Regular price$699.95 AUD
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USA SIZE 2 - 12VISIT OUR GOLD COAST STORE TO TRY ONDAYA Glitter Corset Bustier Mermaid Formal Gown Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALEOn salePortia & Scarlett FUFU Black Feather Mesh Couture Beaded Formal Gown in Australia | One Honey Boutique
Portia & Scarlett FUFU Black Feather Mesh Couture Beaded Formal Gown Sale priceFrom $1,286.95 AUD Regular price$1,429.95 AUD
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DISCONTINUED LAST SIZES AVAILABLEUSA SIZE XXS - 3XLSave 20%SHARYN Strapless Silky Corset Bustier Strapless Mermaid Formal Dress in Australia | One Honey Boutique
SHARYN Strapless Silky Corset Bustier Strapless Mermaid Formal Dress Sale priceFrom $455.96 AUD Regular price$569.95 AUD
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USA SIZE 2 - 18STARLIGHT Couture Beaded Strapless Mermaid Formal Prom Evening Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outAUGUSTINA Lace Applique Pointed Corset Back Mermaid Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18LESHA Strapless Applique Corset Bustier Mermaid Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLSave 0%XENA Silky Tie Up A - Line Formal Bridesmaid & Formal Dress in Australia | One Honey Boutique
XENA Silky Tie Up A-Line Formal Bridesmaid & Formal Dress Sale priceFrom $199.98 AUD Regular price$399.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 2XLTHELMA Sequin Bustier Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 18CASTELLE Black Embellished Bustier Off Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLMILLICENT Corset Deep V Front Sequin & Glitter Leg Split Mermaid Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUEDUSA 18-24ELOISE CURVE Silky Ruched Leg Split Bridesmaids Formal Dress in Australia | One Honey Boutique
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CURVE SIZEUSA SIZE 18 - 24SIMONA CURVE Ruched Waist Leg Split Silky Bridesmaid Formal Dress in Australia | One Honey Boutique
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ONLINE EXCULSIVEUSA SIZE 18 - 24CURVE SIZEAURA Curve Off Shoulder Silky A Line Bridesmaid Formal Dress in Australia | One Honey Boutique
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CURVE SIZEUSA SIZE 18 - 24FEMME Curves NIA Plus Size Mirror Tiles Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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CURVE SIZEUSA SIZE 18-24FEMME Curves BRYDIE Plus Size Lace Applique Tulle Prom & Formal Dress in Australia | One Honey Boutique
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CURVE SIZEUSA SIZE 18-24FEMME Curves ARABELLA Plus Size V Front A Line Shimmer Glitter Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLZEPYR Satin Embellished Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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CURVE SIZEUSA SIZE 18 - 24FEMME Curves MALIA Plus Size Diamante Bustier Corset Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18OLEA Strapless Bustier Corset Lace Up Trumpet Ruffle Mermaid Prom & Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18AAILYAH Strapless Satin Bustier Corset Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 18 - 24FEMME Curves MILLIE Plus Size V Front Corset Sequin Prom & Formal Dress in Australia | One Honey Boutique
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CURVE SIZEUSA SIZE 16 - 24Sold outFEMME Curves SUKI Plus Size Lace Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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CURVE SIZEUSA SIZE 18 - 24FEMME Curves MIRA Plus Size V Front Halter Neck Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18BIJUE Crystal Corset Bodice Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLVISIT OUR GOLD COAST STORE TO TRY ONAKIA Satin Halter Neck Corset Waist Leg Split Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 24WILLOWMENA Emerald Green Keyhole Silky A Line Bridesmaid Formal Dress in Australia | One Honey Boutique
USA SIZE 4 - 18LIORA Boned Bodice Lace & Beaded Applique Mermaid Wedding Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18FIORELLA Boho Lace Low Back Mermaid Train Wedding Dress in Australia | One Honey Boutique
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DISCONTINUEDUSA SIZE 6 - 20Enchanté Amour EVELINA Floral Applique Mermaid MOB Dress in Australia | One Honey Boutique
USA SIZE 4 - 18GISELLE Sheer Sequin Glitter Sheer Sleeve A Line Wedding Dress in Australia | One Honey Boutique
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USA SIZE 4 - 18ANTONIA Floral Applique One Shoulder Ball Gown Wedding Gown in Australia | One Honey Boutique
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ONLINE EXCLUSIVEUSA SIZE 2XS - 2XLMC Chic ELAYNA Pale Blue Satin Corset Bustier Leg Split Formal Dress in Australia | One Honey Boutique
Sold outMC Chic ELAYNA Pink Satin Corset Bustier Leg Split Formal Dress in Australia | One Honey Boutique

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Plus Size Formal Dresses Australia

✨ NEED HELP CHOOSING YOUR DRESS? ✨

Need help with sizing, delivery, ordering or planning for your event? Visit our Help Centre to shop with confidence — explore sizing & fit advice, ordering guides, Dress Registration, Virtual Try-On, customer resources & more.