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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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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 4 - 24CHARLISE A Line Diamante Sequin Ballgown Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALESave 50%ARIANA Shimmer Off Shoulder Ballgown Formal Dress in Australia | One Honey Boutique
ARIANA Shimmer Off Shoulder Ballgown Formal Dress Sale priceFrom $399.95 AUD Regular price$799.95 AUD
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AUS SIZE 6 - 18DISCONTINUED FINAL SIZES AVAILABLEHoney Couture MIA Sequin Open Back Formal Gown in Australia | One Honey Boutique
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USA SIZE 8 - 18ADELA Tulle Diamante Feature Romantic A Line Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLELIZZO Strapless Velvet Mermaid Formal Dress with Gloves in Australia | One Honey Boutique
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USA SIZE 2 - 18JASMINA One Shoulder Satin A Line Bridesmaid Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18TIFFANY Strapless Satin Bridesmaid Semi Formal Dress with Sash in Australia | One Honey Boutique
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USA SIZE 2 - 24ALENA Tie Strap A - Line Floral Printed Bridesmaid Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16On saleAMARA Satin Diamanté Detail Off The Shoulder Formal Dress in Australia | One Honey Boutique
AMARA Satin Diamanté Detail Off The Shoulder Formal Dress Sale priceFrom $370.95 AUD Regular price$529.95 AUD
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USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGDEVINA Sequin Low Back Corset Lace Up Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGAMORET Romantic Beaded Applique Tulle Prom & Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALEOn saleKAY Silky A Line Bridesmaid Semi Formal Dress in Australia | One Honey Boutique
KAY Silky A Line Bridesmaid Semi Formal Dress Sale priceFrom $440.95 AUD Regular price$629.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 2 - 24On saleROBIN Silky Off Shoulder Formal Bridesmaid Dress in Australia | One Honey Boutique
ROBIN Silky Off Shoulder Formal Bridesmaid Dress Sale priceFrom $321.97 AUD Regular price$459.95 AUD
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 2 - 14TARA Silky Ruched Bodice Mermaid Formal Gown in Australia | One Honey Boutique
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 2 - 20INDRA Beaded Bustier Corset Ruched Formal Gown Dress in Australia | One Honey Boutique
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DISCONTINUEDUSA 4-26On saleSOLANA Embellished Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
SOLANA Embellished Corset Satin Mermaid Formal Dress Sale priceFrom $440.95 AUD Regular price$629.95 AUD
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 2 - 20RIRI Beaded Silky Corset Ruched Formal Gown Dress in Australia | One Honey Boutique
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DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGUSA SIZE 2 - 18ELVIRA Strapless Silky Embellished Corset Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALEOn saleROSALIA Silky A Line Formal & Prom Dress in Australia | One Honey Boutique
ROSALIA Silky A Line Formal & Prom Dress Sale priceFrom $384.95 AUD Regular price$549.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 6 - 24Save 50%HARPER Shimmer Glitter Off The Shoulder Corset Formal Gown in Australia | One Honey Boutique
HARPER Shimmer Glitter Off The Shoulder Corset Formal Gown Sale priceFrom $249.98 AUD Regular price$499.95 AUD
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USA SIZE S - 2XLDISCONTINUEDSTELLA Shimmer Glitter Fabric Mermaid Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLECAMPBELL Sequin Strapless Corset Mermaid Evening Gown Dress in Australia | One Honey Boutique
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USA SIZE XS - 4XLSOVIA Off Shoulder Beaded Corset Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2XS - 2XLDISCONTINUEDNORMA Sequin Hidden Corset Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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ONLINE EXCLUSIVEUSA SIZE 0 - 14ANA Lace & Tulle A - Line Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLALICIA Glitter Dusted Fitted Stretch Satin Prom & Formal Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18TYLA Satin & Lace Strapless Fitted Prom & Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALESave 30%PHOEBE Off the Shoulder Bustier Lace Applique Tulle Formal Dress in Australia | One Honey Boutique
PHOEBE Off the Shoulder Bustier Lace Applique Tulle Formal Dress Sale priceFrom $559.95 AUD Regular price$799.95 AUD
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IN STOCKDISCONTINUEDSALESave 40%CARMERON Glitter Ball Gown Corset Lace Up Formal Dress in Australia | One Honey Boutique
CARMERON Glitter Ball Gown Corset Lace Up Formal Dress Sale priceFrom $479.95 AUD Regular price$799.95 AUD
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IN STOCKDISCONTINUEDSALESave 30%ROMANA Strapless Satin Diamanté Detail Corset Bustier Formal Dress in Australia | One Honey Boutique
ROMANA Strapless Satin Diamanté Detail Corset Bustier Formal Dress Sale priceFrom $419.95 AUD Regular price$599.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 2XLSave 0%KENNA Satin Cowl Neck Semi Formal Dress in Australia | One Honey Boutique
KENNA Satin Cowl Neck Semi Formal Dress Sale priceFrom $99.00 AUD Regular price$399.95 AUD
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USA SIZE 4 - 18DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGBEBE Glitter Off The Shoulder Overskirt Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOMUSA SIZE 2 - 18YZMA Strapless Bustier Tulle A - Line Formal Dress in Australia | One Honey Boutique
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WILLOW Strapless Keyhole Silky A Line Bridesmaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 6 - 20KATA Mother of Bride or Groom Beaded Chiffon A Line Evening Dress in Australia | One Honey Boutique
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USA SIZE 6 - 20PATRICE Off The Shoulder Mother of Bride Groom Satin & Lace Gown in Australia | One Honey Boutique
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USA SIZE 6 - 20KATRICE Lace Sleeve Mother of Bride Formal Mermaid Dress in Australia | One Honey Boutique
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USA SIZE XS-5XLALINIA Strapless Satin Corset Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 2XLALEXIA Classic Satin A - Line Bridesmaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18VISIT OUR GOLD COAST STORE TO TRY ONBETHANY One Shoulder Luxe Satin Fitted Bridesmaid & Formal Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 20Sold outSANJA Off The Shoulder Lace Up Corset Satin Bridesmaid & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 18IRINA Neck Sash Tie Chiffon Bridesmaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 18VISIT OUR GOLD COAST STORE TO TRY ONENOLA Off the Shoulder Tulle Romantic Ballgown Formal Dress in Australia | One Honey Boutique
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AUS SIZE 6 - 16DISCONTINUED FINAL SIZES AVAILABLEThe NIKEETA Sequin Corset Back Mermaid Formal Gown in Australia | One Honey Boutique
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USA SIZE XS - 2XLDISCONTINUEDHUNTAR Silky Ruched Front Cross Over Bust Bridesmaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALEOn saleHoney Couture MARISE Diamante Feature Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture MARISE Diamante Feature Mermaid Formal Dress Sale priceFrom $510.95 AUD Regular price$729.95 AUD
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USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLEHoney Couture ZURI Corset Back Ruched Waist Formal Evening Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20DISCONTINUED FINAL SIZES AVAILABLETYRA Off - Shoulder Removable Strap Boned Corset Satin Bridesmaid Prom 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.